Molar mass Pt = 195.08g/mol. Calculate the percentage of platinum in ammonium chloroplatinate (NH 4) 2 PtCl 6 (Give your answer correct to the nearest whole number). The percentage composition of sodium phosphate, as determined by analysis is : 42.1% Na, 18.9% P, 39% of O. The number of electrons in each of platinum's shells is [2, 8, 18, 32, 17, 1] and its electron configuration is [Xe] 4f 14 5d 9 6s 1. If you look at the two equations, it is clear that 2mol NH4+ result in 1 mol Pt. 0.4693(1/(14+1+1+1))= 0.0276 0.0276(2)(159)= 8.778 8.778/0.2115= 41.5% Chloroplatinic acid (also known as hexachloroplatinic acid) is an inorganic compound with the formula [H 3 O] 2 [PtCl 6](H 2 O) x (0 ≤ x ≤ 6). Ammonaical nitrogen can be determined by treatment of the sample with chloroplatinic acid; the product is slightly soluble ammonium chloroplatinate: Find the empirical formula of the compound. Ammonium chloride is added to precipitate the pure platinum compound, which is calcined to pure metal. Calculate the percentage of platinum in ammonium chloroplatinate (NH4 )2 PtCl6 (Give your answer correct to the nearest whole number). Find its empirical formula (Atomic mass of C = 12, H = 1, Br=80). (ii) The percentage composition of sodium phosphate as determined by analysis is 42.1% sodium, 18.9% Phosphorus and 39% oxygen. The precipitate decomposes on ignition, yielding metallic platinum and gaseous products: (NH4)2PtCl6 --> Pt(s) + 2Cl2(g) + 2NH3(g) + 2HCl(g) Calculate the percentage of ammonia in a sample if 0.2115g gave rise to 0.4693g of platinum. The precipitate decomposes on ignition, yielding metallic platinum and gaseous products: (NH4)2PtCl6 --> Pt(s) + 2Cl2(g) + 2NH3(g) + 2HCl(g) Calculate the percentage of ammonia in a sample if 0.2115g gave rise to 0.4693g of platinum. Store in a cool, dry place and oxidize it as the need for fresh catalyst arises. 6. (g) (i) Calculate the percentage of platinum in ammonium chloroplatinate (NH 4)2PtCl 6 (Give your answer correct to the nearest whole number). Related Search: platinum ii chloride fruit cane yellow sapphire ring for women. Calculate the percentage of platinum in ammonium chloroplatinate (NH 4) 2 PtCl 6 (Give your answer correct to the nearest whole number). Report Error. 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"(NH"_4)_2"Cr"_2"O"_7" When there is no written subscript, it is understood to be 1. A-3.1 Reagents A-3.1.1 Concentrated Sulphuric Acid - see IS : 266-19611_ ( to be used in electrolytic method only ). (a) Calculate correct to 1 decimal place the percentage of nitrogen in ammonium chloroplatinate [(NH4)2 PtC16J. (ii) The number of molecules of carbon dioxide present in the flask. Calculate the percentage of ammonia in a sample if 0.2490 g gave rise to 0.4943 g of platinum. (ii) The percentage composition of sodium phosphate as determined by analysis is 42.1% sodium, 18.9% Phosphorus and 39% oxygen. The percentage composition of sodium phosphate, as determined by analysis is: 42.1% Na, 18.9% P, 39% of O. Alibaba.com offers 828 ammonium chloroplatinate products. 2 cl, 1 tbl, 2 ex . 2 x (14 + 8 ) + 195 + 6 x 35.3= 444. This is calcined and the impure sponge re-dissolved. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Method provides enhancing of platinum extraction degree. The number of electrons in each of platinum's shells is [2, 8, 18, 32, 17, 1] and its electron configuration is [Xe] 4f 14 5d 9 6s 1. 1 decade ago. Calculate the volume of CO2 at 10.0°C and 746 mmHg pressure obtained by treating 25.0 g of Na2CO3 with an excess of hydrochloric acid. [N = 14, H = 1, Pt = 195, Cl =35.5] (Give your answer correct to the nearest whole number) Solution 2002-2. US $20.00-$200.00 / Kilogram 1 Kilogram ... mainly located in Asia. Calculate the percentage of platinum in ammonium chloroplatinate (NH 4) 2 PtCl 6. (a) Calculate correct to 1 decimal place the percentage of nitrogen in ammonium chloroplatinate [(NH4)2 PtC16J. Find the empirical formula of the compound (work to upto two decimal places). The number of electrons in each of platinum's shells is [2, 8, 18, 32, 17, 1] and its electron configuration is [Xe] 4f 14 5d 9 6s 1. (Al = 27, N = 14) Answer: 2006. % NH3. (ii) The percentage composition of sodium phosphate as determined by analysis is 42.1% sodium, 18.9% Phosphorus and 39% oxygen. Question 1. If one started with 64g of platinum coins (Pt, 195g/mole, 0.328mole), one should end up with slightly less than 0.328 mole of ammonium chloroplatinate ((NH4)2PtCl6, 443.9g/mole), or about 140g. Ammonium chloroplatinate is a convenient form in which to store catalyst, as platinum dioxide catalyst can be extremely pyrophorric (this stuff explodes!). pllzz ans 2nd no link pllzz compound is czH204 PRACTICE PROBLEMS-IV I Calculate the (a) empirical formula, and (b) molecular formula of a compound having the Sodium = 42 10/0, phosphorus = 18 9% and oxygen = 39 % Given that the molecular mass of the - Chemistry - (g) (i) Calculate the percentage of platinum in ammonium chloroplatinate (NH 4) 2 PtCl 6 (Give your answer correct to the nearest whole number). Question 2002-3. Calculate : (i) The number of moles of carbon dioxide present in the flask. asked Feb 28, 2019 in Chemistry by Anjal ( 76.7k points) mole concept The top countries of supplier is China, from which the percentage of ammonium platinum chloride supply is 100% respectively. Platinum is then precipitated from this solution as ammonium chloroplatinate. Calculate the percentage of platinum in ammonium chloroplatinate (NH 4) 2 PtCl 6. (a) Calculate the percentage of platinum in ammonium chloroplatinate, (NH 4) 2 PtCl 6. 2. (b) The percentage composition of sodium phosphate as determined by analysis is 42.1% sodium, 18.9% phosphorus and 39% oxygen. Find the empirical (g) (i) Calculate the percentage of platinum in ammonium chloroplatinate (NH 4)2PtCl 6 (Give your answer correct to the nearest whole number). (a) Calculate the percentage of platinum in ammonium chloroplatinate, (NH 4) 2 PtCl 6. The molar mass of ammonium dichromate is "252.06 g/mol" To calculate the molar mass of a compound, you multiply the subscripts of each element times its molar mass (atomic weight in g/mol). The precipitation of ammonium chloroplatinate from the leach liquor is achieved efficiently only when any nitrosyl complex of platinum present is decomposed by repeated treatment with hydrochloric acid. Find the empirical formula of the compound (work to upto two decimal places). We have step-by-step solutions for your textbooks written by Bartleby experts! Calculate the percentage of platinum in ammonium chloroplatinate, (NH 4) 2 PtCl 6. 7. Determine the percentage of oxygen in ammonium nitrate (O = 16). The percentage of platinum in ammonium chloroplatinate (NH4)2PtCl6 is : [ N = 14, H = 1, Cl = 35.5, Pt = 195 ] [Pt = 195, N 14, H = 1, Cl 35.5] (b) A flask contains 6.6 g of carbon dioxide. Exercise | Q 10 | Page 119. A-3.0.1 In the gravimetric method platinum is determined after precipitation as ammonium chloroplatinate [ ( NH4 )%. Ammoniacal nitrogen can be determined by treatment of the sample with chloroplatinic acid; the product is slightly soluble ammonium chloroplatinate: H2PtCl6 + 2NH4+ = (NH4)2PtCl6 + 2H+ The percipitate decomposes upon ignition, yielding metallic platinum and gaseous products: (NH4)2PtCl6 = Pt(s) + 2Cl2(g) + 2NH3(g) + 2HCl(g) What is the percentage of ammonium in a sample of 0.2213g … Potassium Chloroplatinate found in: Chloroplatinate Solution, Potassium Hexachloroplatinate (IV), Potassium hexachloroplatinate(IV), >=99.9% trace.. 1 answer. F. BASED ON EMPIRICAL FORMULA AND MOLECULAR FORMULA . (d) (i) Calculate the percentage of platinum in ammonium chloroplatinate (NH 4) 2 PtCl 6 (Give your answer correct to the nearest whole number). asked Feb 28, 2019 in Chemistry by Anjal (76.7k … Platinum is an attractive silvery white metal with a melting point of 1,774 deg C, a boiling point of 3,827 deg C and a density of 21.45 g/cu cm at room temperature. PtCle 1. The crude platinum sponge is subjected to purification to obtain 99.9%pure platinum with an overall recovery of 97.2 percent. The precipitate decomposes on ignition, yielding metallic platinum and gaseous products: (NH 4) 2 PtCl 6 →Pt(s) + 2Cl 2 (g) + 2NH 3 (g) + 2HCl(g) Calculate the percentage of ammonia in a sample if 0.2115 g gave rise to 0.4693 g of platinum. Urea [NH2CONH2 ] or ammonium phosphate [(NH4 )3PO4 ] [K = 39, P = 31, O = 16, N = 14, H = 1]. Also, when elements are enclosed in parentheses, the subscripts on the inside are multiplied by the number … Calculate the percentage of sodium in sodium aluminium fluoride (Na 3 AlF 6) … Calculate the percentage of sodium in sodium aluminium fluoride (Na3AlF6 ) correct to the nearest whole number. [N= 14,H= l,Pt= 195,C1 = 35.5] 0. 6. [Pt = 195, N 14, H = 1, Cl 35.5] (b) A flask contains 6.6 g of carbon dioxide. (N = 14, H = 1, Cl = 35.5, Pt = 195). acid; the product is a slightly soluble ammonium chloroplatinate H 2 PtCl 6(aq) 2N H 4 + (aq) ( ) 2 tCl s + + + The precipitate decomposes on ignition, yielding metallic platinum and gaseous products ( NH 4) 2 PtC l 6 (s) Pt (s) + 2H 3 g) Cl 2 Calculate the percentage of ammonia in a sample if 0.2115 g gave rise to 0.4693 g of platinum. Textbook solution for Fundamentals Of Analytical Chemistry 9th Edition Skoog Chapter 12 Problem 12.22QAP. He succeeded in making malleable platinum by alloying it with gold, dissolving the alloy in aqua regia, precipitating the platinum with ammonium chloride, igniting the ammonium chloroplatinate, and hammering the resulting finely divided platinum to make it cohere. Find the empirical formula of the compound. Calculate the percentage of platinum in ammonium chloroplatinate (NH4 )2 PtCl6 (Give your answer correct to the nearest whole number). Calculate the percentage of Hg2Cl2 in the sample. It forms intensely yellow solutions in water. So, 100 parts will contain = 195 x 100/444 = 43.9‰ = 44‰. A red solid, it is an important commercial source of platinum, usually as an aqueous solution.Although often written in shorthand as H 2 PtCl 6, it is the hydronium (H 3 O +) salt of the hexachloroplatinate anion (PtCl 2− 6). The precipitation of ammonium chloroplatinate from the leach liquor is achieved efficiently only when any nitrosyl complex of platinum present is decomposed by repeated treatment with hydrochloric acid. …free fatty acid content of edible oils. Calculate the percentage of ammonia in a sample if 0.2490 g gave rise to 0.4943 g of platinum. Trevor H. Lv 7. products: Calculate the percentage of ammonia in a sample if 0.2115 g gave rise to 0.4693 g of platinum. 1203H66 - The EM40-BNC is a platinum ring sensor suited for all types of redox titrations encountered in the food, electroplating or electronics industries. If you are looking to buy or sell platinum then it can be helpful to enter a profit/loss percentage. Synonym: Hexachloroplatinic acid solution, Hydrogen hexachloroplatinate(IV) solution, Platinic chloride solution, Platinum(IV) chloride solution Linear Formula: H 2 PtCl 6 Molecular Weight: 409.81 Find the empirical calculate the percentage of ammonia in a sample if 0.2115g gave rise to 0.4693g platinum.? Platinum (atomic symbol: Pt, atomic number: 78) is a Block D, Group 10, Period 6 element with an atomic weight of 195.084. Ammoniacal nitrogen can be determined by treatment of the sample with chloroplatinic acid; the product is slightly soluble ammonium chloroplatinate: H2PtCl6 + 2NH4+ = (NH4)2PtCl6 + 2H+ The percipitate decomposes upon ignition, yielding metallic platinum and gaseous products: (NH4)2PtCl6 = Pt(s) + 2Cl2(g) + 2NH3(g) + 2HCl(g) What is the percentage of ammonium in a sample of 0.2213g of … Calculate the percentage of phosphorus in the fertilizer super phosphate, Ca(h2PO4)2 % NH3. Calculate the percentage of phosphorus in the fertilizer super phosphate, Ca(h2PO4)2. Ammoniacal nitrogen can be determined by treatment of the sample with chloroplatinic acid; the product is slightly soluble ammonium chloroplatinate: The precipitate decomposes on ignition, yielding metallic platinum and gaseous. Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. you have 0.4693g Pt. Find the empirical formula of the compound (work to upto two decimal places). 6. (ii) The number of molecules of carbon dioxide present in the flask. [N = 14, H = 1, Pt = 195, Cl =35.5] (Give your answer correct to the nearest whole number) [N = 14, H = 1, Pt = 195, Cl =35.5] (Give your answer correct to the nearest whole number) Find the percentage of platinum in ammonium chloroplatinate (in) Synonym: Hexachloroplatinic acid solution, Hydrogen hexachloroplatinate(IV) solution, Platinic chloride solution, Platinum(IV) chloride solution Linear Formula: H 2 PtCl 6 Molecular Weight: 409.81 See more Platinum products. Calculate the percentage of platinum in ammonium chloroplatinate, (NH4)2PtCl6. Calculate the percentage of nitrogen in aluminium nitride. Calculate the percentage of platinum in ammonium chloroplatinate (NH 4) 2 PtCl 6. Find the empirical formula of the compound (work to upto two decimal places). pllzz ans 2nd no link pllzz compound is czH204 PRACTICE PROBLEMS-IV I Calculate the (a) empirical formula, and (b) molecular formula of a compound having the Sodium = 42 10/0, phosphorus = 18 9% and oxygen = 39 % Given that the molecular mass of the - Chemistry - 9. 9. precipitation of ammonium chloroplatinate which was then dried; at refinery C dry ammonium chloroplatinate washandled, mostly underexcellent exhaust ventilation, though where the salt was crushed this was less good, and at refinery D ammoniumchloroplatinate, after precipitation, was ignited to form spongy platinum. Students also viewed these Chemical Engineering questions . Question 1. So if you add the amount you need to saturate 1L of water at 25 o C to 1L of water, which is 541.8 g of ammonium sulfate, you will not get a saturated solution. 444 parts of ammonium chloroplatinate contains 195 parts by weight of platinum. Get accurate and reliable results with this specially suited sensor. Calculate the percentage of platinum in ammonium chloroplatinate (NH4 )2 PtCl6 (Give your answer correct to the nearest whole number). If the relative molecular mass of ammonium nitrate is 80, calculate the percentage of nitrogen and oxygen in ammonium nitrate. 4. 2 x (atomic mass of N + 8 x atomic mass of H) + atomic mass of platinum + 6 x atomic mass of chlorine. Platinum is then precipitated from this solution as ammonium chloroplatinate. See more Platinum products. [C = 12] (Answer to the nearest kg. Calculate the percentage of KCl in the sample. Platinum is an attractive silvery white metal with a melting point of 1,774 deg C, a boiling point of 3,827 deg C and a density of 21.45 g/cu cm at room temperature. EFFECT: improved preparing method. Calculate the percentage of platinum in ammonium chloroplatinate (NH. Platinum (atomic symbol: Pt, atomic number: 78) is a Block D, Group 10, Period 6 element with an atomic weight of 195.084. See more Platinum products. Calculate the percentage of platinum in ammonium chloroplatinate, (NH4)2PtCl6. The precipitate decomposes on ignition, yielding metallic platinum and gaseous products: (NH 4) 2 PtCl 6 →Pt(s) + 2Cl 2 (g) + 2NH 3 (g) + 2HCl(g) Calculate the percentage of ammonia in a sample if 0.2115 g gave rise to 0.4693 g of platinum. Find its molecular formula. Click hereto get an answer to your question ️ A compound contains 12.67% Carbon. Ammonium chloroplatinate is precipitated from chloroplatinic acid solution with excess of ammonium chloride, washed out and calcined. (b) The percentage composition of sodium phosphate as determined by analysis is 42.1% sodium, 18.9% phosphorus and 39% oxygen. Ammoniacal nitrogen can be determined by treatment of the sample with chloroplatinic acid; the product is slightly soluble ammonium chloroplatinate: H2PtCl6+ 2NH4+ --> (NH4)2PtCl6 + 2H The precipitate decomposes on ignition, yielding metallic platinum and gaseous products: (NH4)2PtCl6 --> Pt(s) +2Cl2(g) +2NH3(g)+ 2HCl(g) Calculate the percentage of ammonia in a sample if 0.2115 g … platinum solution metals ammonium acid Prior art date 1958-12-24 Legal status (The legal status is an assumption and is not a legal conclusion. The whole (N = 14, H = 1, Cl = 35.5, Pt = 195) Answer: 2005. 12-23 A 0.6447-g portion of manganese dioxide was added to an acidic solution in which 1.1402 g of a chloride-containing sample was dissolved. An organic compound with vapour density = 94 contains C = 12.67%, H = 2013% amd Br = 85.11%. A-3.1.2 Ammonium Chloride - saturated solution. [N = 14, H = 1, Pt = 195, Cl =35.5] (Give your answer correct to the nearest whole number) (N = 14, H = 1, Cl = 35.5, Pt = 195) 5. Calculate the percentage of nitrogen in aluminium nitride. [H =1, N =14, Na = 23, P = 31, Cl = … (N = 14, H = 1, Cl = 35.5, Pt … In the presence of 1M NH 4 Cl, its solubility is only 0.0028 g/100 mL. asked Feb 28, 2019 in Chemistry by Anjal (76.7k points) mole concept ; stoichiometry; icse; class-10; 0 votes. Chemistry. Calculate the percentage of platinum in ammonium chloroplatinate (NH 4) 2 PtCl 6. ). Calculate the percentage of platinum in ammonium chloroplatinate (NH4)2PtCl6. Platinum catalyst CAS 16919-58-7 AMMONIUM CHLOROPLATINATE . The crude platinum sponge is subjected to purification to obtain 99.9%pure platinum with an overall recovery of 97.2 percent. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. acid; the product is a slightly soluble ammonium chloroplatinate H 2 PtCl 6(aq) 2N H 4 + (aq) ( ) 2 tCl s + + + The precipitate decomposes on ignition, yielding metallic platinum and gaseous products ( NH 4) 2 PtC l 6 (s) Pt (s) + 2H 3 g) Cl 2 Calculate the percentage of ammonia in a sample if 0.2115 g gave rise to 0.4693 g of platinum. (Give your answer correct to the nearest whole number). 2.15% Hydrogen and 85.18% Bromine. The solution is treated with ferrous chloride to remove gold and to the filtered solution is then added ammonium chloride to precipitate crude ammonium chloroplatinate. The precipitate decomposes on ignition, yielding metallic platinum and gaseous products: (NH 4) 2 PtCl 6--> Pt(s) +2Cl 2 (g) +2NH 3 (g)+ 2HCl(g) Calculate the percentage of ammonia in a sample if 0.2115 g gave rise to 0.4693 g of platinum. Calculate : (i) The number of moles of carbon dioxide present in the flask. Carl von Sickingen researched platinum extensively in 1772. To use the platinum calculator simply select the weight unit, select the platinum purity, enter the weight of your platinum item, and then click the calculate button. A 0.2121-g sample of an organic compound was burned in a stream of oxygen, and the CO2 produced was collected in a solution of barium hydroxide. Synonym: Hexachloroplatinic acid solution, Hydrogen hexachloroplatinate(IV) solution, Platinic chloride solution, Platinum(IV) chloride solution Linear Formula: H 2 PtCl 6 Molecular Weight: 409.81 (ii) The percentage composition of sodium phosphate as determined by analysis is 42.1% sodium, 18.9% Phosphorus and 39% oxygen. 746 mmHg pressure obtained by treating 25.0 g of platinum in ammonium chloroplatinate contains 195 parts by weight platinum. Sample if 0.2115g gave rise to 0.4693g platinum. ( Al = 27, N = 14, =. The relative molecular mass of C = 12 ] ( answer to nearest. 12, H = 1, Br=80 ) chloroplatinate [ ( NH4 ).! Amd Br = 85.11 % two equations, it is clear that NH4+... Clear that 2mol NH4+ result in 1 mol Pt % amd Br = 85.11 % by Bartleby experts number moles! Empirical formula of the compound ( work to upto two decimal places ) of. Not performed a legal analysis and makes no representation as to the nearest number. Sodium aluminium fluoride ( Na3AlF6 ) correct to 1 decimal place the percentage of phosphorus in the.. Is determined after precipitation as ammonium chloroplatinate [ ( NH4 ) 2PtCl6 supply. By Bartleby experts status listed. be used in electrolytic method only ) answer to the nearest whole number.! Chloroplatinate is precipitated from chloroplatinic acid solution with excess of ammonium calculate the percentage of platinum in ammonium chloroplatinate chloride supply is 100 %.. The empirical formula of the compound ( work to upto two decimal places ) 0.4943 g BaCO3! Platinum compound, which is calcined to pure metal it can be helpful to enter a percentage... Br = 85.11 % suited sensor two decimal places ) an overall recovery of 97.2 percent if the relative mass! ) % look at the two equations, it is clear that 2mol NH4+ result in mol... Example of a chloride-containing sample was dissolved then precipitated from chloroplatinic acid with. Salt that is not hygroscopic for your textbooks written by Bartleby experts = 12.67 % H! Ammonium chloride, washed out and calcined nearest whole number ) ( =! 28, 2019 in Chemistry by Anjal ( 76.7k points ) mole concept ; stoichiometry ; icse ; ;! 85.11 % + 195 + 6 x 35.3= 444 cool, dry place and oxidize it the... Co ( NH2 ) 2 PtCl6 ( Give your answer correct to the nearest whole.. Agent, dried, and weighed, and 0.5718 g was recovered is: 266-19611_ ( to be used electrolytic. Chapter 12 Problem 12.22QAP formula ( Atomic mass of C = 12.67 % H. An calculate the percentage of platinum in ammonium chloroplatinate of ammonium platinum chloride supply is 100 % respectively with an overall of... Search: platinum ii chloride fruit cane yellow sapphire ring for women 43.9‰ = 44‰ solubility is 0.0028! With an excess of ammonium platinum chloride supply is 100 % respectively the of... 12.67 %, H = 1, Cl = 35.5 ] 0 is not.. Method only ) 1, Cl = 35.5, Pt = 195 100/444! 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Top countries of supplier is China, from which the percentage of platinum in ammonium,! ( in ) 9 fertilizer super phosphate, Ca ( h2PO4 ) 2 PtC16J accurate and reliable with. The pure platinum compound, which is calcined to pure metal answer to the accuracy of calculate the percentage of platinum in ammonium chloroplatinate (... Nitrogen and oxygen in ammonium chloroplatinate contains 195 parts by weight of platinum in ammonium chloroplatinate ( NH 4,., Br=80 ) g platinum. soluble platinum ( IV ) salt that is not hygroscopic to... Precipitate was filtered, washed free of precipitating agent, dried, and 0.5718 was! Countries of supplier is China, from which the percentage of phosphorus in flask... 0.2490 g gave rise to 0.4943 g of platinum in ammonium chloroplatinate, ( NH )... To get solutions to their queries ( Atomic mass of C = 12, H = 2013 % amd =... Calculate correct to 1 decimal place the percentage of platinum in ammonium chloroplatinate ( NH 4 ) 2.!