The numbers 4,2, and 4 are subscripts. (iii)€€€€ The percentage yield of ammonia is the percentage, by mass, of the nitrogen and hydrogen which has been converted to ammonia. Convert grams (NH4)2SO4 to moles or moles (NH4)2SO4 to grams. Lv 7. Calculate the mass, in tonnes, of ammonia which can be produced from 90 tonnes of hydrogen when the percentage yield is 50%. formula mass of ammonium sulfate = (2 x 18) + 32 + 64 = 132. with two nitrogen atoms in the formula; % nitrogen by mass = 100 x 28/132 = 21.2% N with one sulfur atom in the formula, % sulfur by mass = 100 x 32/132 = 24.2% S (b) Calculate the percentage of sulfate ion in ammonium sulfate. Molecular weight calculation: (14.0067 + 1.00794*4)*2 + 32.065 + 15.9994*4 ›› Percent composition by element >2xx14"g"+4xx1"g"+3xx16"g"=80"g" The mass of 1 mol of "NH"_4"NO"_3 is 80"g". There is said to be about 600 grams of nitrogen in 1.00 pound of ammonium and 130 pounds of phosphorus available in 1.00 pounds of ammonium phosphate. H=1. This page was last edited on 16 June 2012, at 19:44. (if the question asked for Sulphur (S), it … This preview shows page 1 - 3 out of 7 pages. jacob s. Lv 7. Rank these fertilizers in terms of the mass percentage nitrogen they contain. The average atomic mass of carbon is 12.011. In part, it makes an excellent fertilizer because of the nitrogen composition of the chemical. #N ~~ 14.007 " amu"# #(2 * 14.007color(red)(cancel(color(black)("g/mol"))))/(132.14color(red)(cancel(color(black)("g/mol")))) * 100 = color(green)("21.2%")#. The important thing to notice is that ammonium sulfate contains 2 nitrogen atoms, each belonging to one ammonium ion, #NH_4^(+)#. How can I identify the ions present in (NH4)2SO4.FeSO4.6H2O qualitatively? The following mass percent problem below is broken into steps. (NH4)2SO4? It would be (14x2) divided by 132 multiplied by 100%. So, the molar mass of ammonium sulfate is 132.14 g/mol and the molar mass of nitrogen is 14.007 g/mol. 9 years ago. Express your answer numerically as a percentage. Metropolitan State University Of Denver • CHEM 1100, Hillsborough Community College • CHEM 1025. #H ~~ 1.0079 " amu"# [Relative molecular mass of ammonium nitrate is 80, H = 1, N= 14, 0= 16], What is the percent by mass off nitrogen in ammonium sulfate? The primary use of ammonium sulfate is as a fertilizer for alkaline soils.In the soil the ammonium ion is released and forms a small amount of acid, lowering the pH balance of the soil, while contributing essential nitrogen for plant growth. 29.0. Molar mass (NH4)2SO4 = 132.14 g/mol 1mol (NH4)2SO4 contains 2 mol N Molar mass N = 14g/mol , Mass of 2 mol N = 28g %N in (NH4)2SO4 = 28g/ 132g * 100 = 21.2% Calculate the percentage by mass of potassium in potassium sulfate K2 SO4 2. calculate the percentage by mass of nitrogen in ammonium … ›› Ammonium Sulfate molecular weight. A 30.5 Gram sample of glucose (C6H12O6) contains _____ mol of glucose. #O ~~ 15.999 " amu"#, #(NH_4)_2SO_4 = 2*(14.007+4*(1.0079))+32.065+4*15.999# To 0.360 L of 0.140 M NH3 is added 0.150 L of 0.100 M MgOH2. A final year student must apply nitrogen at the rate of 120kgN/ha to maize seedlings in 3500m2 study field. #S ~~ 32.065 " amu"# Because the question asked for percentage mass of Nitrogen (N). Determine the mass percent of nitrogen in ammonium sulfate What is the mass percent of nitrogen in ammonium sulfate ()? Percent composition of "N" is frac{28"g"}{80"g"}xx100% = 35%. Click hereto get an answer to your question ️ Calculate which of the following calcium nitrate or ammonium sulfate has a higher \% of nitrogen. Calculating the mass of 1 molecule of ammonia: Mass = ( Number of hydrogen atoms x Mass of hydrogen atom) + ( Number of nitrogen atoms x Mass of nitrogen atoms) Mass = ( 3 x 1 ) + ( 1 x 14) = 17. Keter 4x3 Shed, The important thing to notice is that ammonium sulfate contains 2 nitrogen atoms, each belonging to one ammonium ion, #NH_4^(+)#. Percent composition of "O" is 60%. Which is the more economical source of nitrogen, a fertilizer containing 30.0% sodium nitrate by weight and costing $9.00 per 100 lb or one containing 20.0% ammonium sulfate by weight and costing $8.10 per 100 lb? Course Hero is not sponsored or endorsed by any college or university. divide the two? It has a role as a fertilizer. #-> 21.2%# since it is #(NH_4)_2# and thus there are two #N# atoms in there. 132. 2xx14"g"=28"g" The mass of "N" is 28"g". Relevance. 28g/132.14 x 100=21.21 % of N. 0 0. kentchemistry.com. The answer is 3) 21%. Thus a mmonium nitrate have higher percentage of nitrogen by mass. this feels like a simple problem but i just don't know. Calculate the percentage by mass of potassium in potassium sulfate K2 SO4 2. calculate the percentage by mass of nitrogen in ammonium nitrate Nh4 No3 . 9.34. You can write the percent composition of nitrogen in ammonium sulfate by dividing the molar mass of the two nitrogen atoms by the molar mass of the compound, and multiplying the result by 100. Calculating percentage by mass. They use nitrogen to synthesize DNA, RNA, enzymes and other proteins necessary for growth and reproduction. Calculate the molar mass of ammonium sulfate The molar mass of a compound can be determined by summing the atomic masses of each element in the compound. 2 8 g of nitrogen is present in 8 0 g of ammonium nitrate while same amount of nitrogen, i.e., 2 8 g is present in 1 3 2 g of ammonium sulfate. Molar mass of (NH4)2SO4 = 132.13952 g/mol. Express your answer numerically as a percentage. Molar mass of (NH4)2SO4 = 132.13952 g/mol. Calculate the percentage of nitrogen and oxygen in ammonium nitrate. 132.14g in 1 mole ammonium sulfate. a) What is the formula for ammonium sulfate? 10488 views Convert grams Ammonium Sulfate to moles or moles Ammonium Sulfate to grams. Calculate the molar mass of ammonium sulfate, What is the molar mass of ammonium sulfate (. Hint 3. #~~ 132.1382 " amu"#, #M_(N)/(M_((NH_4)_2SO_4)) = 14.007/(132.1382) ~~ 10.6%# of each #N# atom. Percent of nitrogen: 21.2% Explanation: To get the percent composition of nitrogen is ammonium sulfate, $$(NH_4)_2SO_4$$, you need to know the molar mass of the compound and that of … Calculate the percentage by mass of nitrogen in PtCl2(NH3)2. Percent of nitrogen: 21.2% To get the percent composition of nitrogen is ammonium sulfate, (NH_4)_2SO_4, you need to know the molar mass … chemistry. The source Nitrogen available to the Sulphate of Ammonia is 21%Nitrogen. Your car burns mostly octane, C 8 H 18, as a fuel. Percent composition of "H" is 5%. Hint 3 Determine the mass percent of nitrogen in ammonium sulfate What is the, 1 out of 1 people found this document helpful, Determine the mass percent of nitrogen in ammonium sulfate, What is the mass percent of nitrogen in ammonium sulfate (. An explanation for beginners, a refresher for the rest of us: To make sure anyone reading knows what molar mass means: The mass of one mole of something, in our case the mass of a mole of nitrogen, or the mass of a mole of ammonium sulfate, etc. Percentage by mass of nitrogen = ( Mass of nitrogen atom / Mass of ammonia molecule ) x 100 = ( 14 / 17 ) x 100 = 82% How many moles of copper are needed to produce 1000 L of SO 2? Percent composition of "N" is 35%. In this experiment you will conduct a gravimetric analysis of the sulfur (S) mass percentage in an unknown fertilizer. Answer Save. It is also commonly used as a fertilizer because it acts as a source for nitrogen. The nitrogen in sodium nitrate and in ammonium sulfate is available to plants as fertilizer. Ammonium sulfate has increasingly replaced ammonium nitrate as a synthetic nitrogen source for fertilizer since 2004. You can write the percent composition of nitrogen in ammonium sulfate by dividing the molar mass of the two nitrogen atoms by the molar mass of the compound, and multiplying the result by 100. Calculate the percentage by mass go oxygen in Pb(NO3)2. with #A# as some arbitrary molecule or atom. copper + sulfuric acid copper II sulfate + water + sulfur dioxide . chemistry. Ammoniacal Nitrogen Fertilizer Vs. Urea Fertilizer. I need help with these questions 1. All plants need nitrogen to grow. Hint 1. Ammonium sulfate is an inorganic sulfate salt obtained by reaction of sulfuric acid with two equivalents of ammonia.A high-melting (decomposes above 280℃) white solid which is very soluble in water (70.6 g/100 g water at 0℃; 103.8 g/100 g water at 100℃), it is widely used as a fertilizer for alkaline soils. b) What is the mass of 1 mol of ammonium sulfate? This means that every 100g of ammonium sulfate contain 21.2 g of nitrogen. Favorite Answer. 9 years ago. What is the mass percentage of solute in this solution? Thus, you would need to look up or recall the molar masses of these compounds. The effectiveness of nitrogen fertilizers depends on both their ability to deliver nitrogen to plants and the amount of nitrogen they can deliver. Four common nitrogen-containing fertilizers are ammonia, ammonium nitrate, ammonium sulfate, and urea [(NH2) 2CO)]. Molecular weight calculation: (14.0067 + 1.00794*4)*2 + 32.065 + 15.9994*4 ›› Percent composition by element A mole is just a way of saying a really big number which is actually $6.022 * 10^{23}$. I need help with these questions 1. 1) Ammonium sulfate is added to some pesticides to increase their effectiveness. Hence the percentage of nitrogen in ammonium sulphate is higher than that in calcium nitrate. 28 g in 2 mole N . The percentage by mass is determined by 1. multiplying each elemental mass by the number of atoms in a molecule, 2. adding the result, and then dividing the individual masses by the total mass. around the world. The main disadvantage to the use of ammonium sulfate is its low nitrogen content relative to ammonium nitrate, which elevates transportation costs. To get the percent composition of nitrogen is ammonium sulfate, #(NH_4)_2SO_4#, you need to know the molar mass of the compound and that of elemental nitrogen. The formula weight of ammonium sulfate ((NH4)2S04)), rounded to the nearest integer, is _____ amu. Ammonium Sulfate: Ammonium sulfate is a salt frequently used in agriculture as a fertilizer. Nitrogen-sulfur materials are often used as the source of both nitrogen and sulfur in the fertilizer, including ammonium sulfate (21-0-0 +24S), ammonium nitrate-sulfate (30-0-0 +15S), Uses. So, the molar mass of ammonium sulfate is 132.14 g/mol and the molar mass of nitrogen is 14.007 g/mol. Hydrogen in ammonium sulfate, (NH4)2SO4 , a substance used as a nitrogen fertilizer. 2 Answers. What mass of ammonium chlorate is needed to decompose to give off 200 liters of oxygen? This compound is also known as Ammonium Sulfate. Chemistry. 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