0
Grab yourself a Periodic Table and look up the atomic masses of nitrogen and hydrogen, which are the constituent elements of NH3 (which is ammonia.) Nitrogen is 14, and hydrogen is 1. Now look at the formula. It says you have 1 nitrogen and 3 hydrogens. Add it up: 14+1+1+1=17, for a total "molar mass" of 17 grams per mole. Now use the concept of percent (part divided by total) to get your percent composition by mass. 14/17=0.82, 82% nitrogen. 3/17=0.18, so 18% hydrogen. You can do that now for any compound!
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
What is can the mass NH3 made if they give you the gram?
To find the mass of NH3 produced, first calculate the number of moles of NH3 using the given mass and the molar mass of NH3. Then, use the relationship between moles and mass (mass = moles x molar mass) to find the mass of NH3.
What is the percent composition of nitrogen in NH 3?
The molar mass of NH3 is 17.03 g/mol. The molar mass of nitrogen is 14.01 g/mol. To find the percent composition of nitrogen in NH3, divide the molar mass of nitrogen by the molar mass of NH3 and multiply by 100. So, (14.01 g/mol / 17.03 g/mol) x 100 = 82.22%.
What is the mass percentage of N in NH3?
The molar mass of NH3 is 17 g/mol (1 N atom + 3 H atoms). The molar mass of N in NH3 is 14 g/mol. To calculate the mass percentage of N in NH3, divide the molar mass of N by the molar mass of NH3 and multiply by 100. 14 g/mol / 17 g/mol * 100 ≈ 82.4%. So, the mass percentage of N in NH3 is approximately 82.4%.
Calculate mass in grams of 2.110 moles of NH3?
You can find the mass of one mole of each of the individual elements by looking at the mass numbers.So, 1 mole of:N=14gH=1gsince there are 3 H's the total mass of 1 mole NH3 is 14+3=17gYou then multiply the actual number of moles by the g's per mole:=> 17x2.11=35.87g
What is the mass of 1.75 1024 molecules of NH3?
To find the mass of 1.75 x 10^24 molecules of NH3, you would first calculate the molar mass of NH3 (17.03 g/mol). Then, you would convert the number of molecules to moles by dividing by Avogadro's number (6.022 x 10^23 molecules/mol). Finally, multiply the number of moles by the molar mass to find the mass.
What is can the mass NH3 made if they give you the gram?
To find the mass of NH3 produced, first calculate the number of moles of NH3 using the given mass and the molar mass of NH3. Then, use the relationship between moles and mass (mass = moles x molar mass) to find the mass of NH3.
The percent by mass of hydrogen in NH3 is equal to?
The percent by mass of hydrogen in NH3 is 17.65%. This can be calculated by dividing the mass of hydrogen in NH3 by the total mass of NH3 and then multiplying by 100.
What is the mass percentage of N in NH3?
The molar mass of NH3 is 17 g/mol (1 N atom + 3 H atoms). The molar mass of N in NH3 is 14 g/mol. To calculate the mass percentage of N in NH3, divide the molar mass of N by the molar mass of NH3 and multiply by 100. 14 g/mol / 17 g/mol * 100 ≈ 82.4%. So, the mass percentage of N in NH3 is approximately 82.4%.
Calculate mass in grams of 2.110 moles of NH3?
You can find the mass of one mole of each of the individual elements by looking at the mass numbers.So, 1 mole of:N=14gH=1gsince there are 3 H's the total mass of 1 mole NH3 is 14+3=17gYou then multiply the actual number of moles by the g's per mole:=> 17x2.11=35.87g
What is the equation used to calculate percent by mass?
Percent by mass = (100) times (mass of the ingredient of interest) divided by (mass of the whole mixture)
How many moles are in 4.00g of NH3?
To find the number of moles in 4.00g of NH3, you first need to calculate the molar mass of NH3 (17.03 g/mol). Then, divide the given mass by the molar mass to get the number of moles. So, 4.00g / 17.03 g/mol = 0.235 moles of NH3.
What is the molecular mass of ammonia NH3?
The molecular mass of ammonia (NH3) is approximately 17.03 grams per mole.
How do you calculate the mass in grams of 4.2 x 1025 NH3?
Molecules of ammonia? Will assume so. 4.2 X 1025 molecules NH3 (1 mole NH3/6.022 X 1023)(17.034 grams/1 mole NH3) = 1188 grams of ammonia ===================( could call it 1200 grams NH3 for significant figure correctness )
How many moles of NH3 is in 23g of NH3?
Atomic mass of NH3 is 17.So there are 1.353mol.
Calculate the maximum mass of ammonia that could be made from 1000g of nitrogen?
The molar mass of N is 14 g/mol and NH₃ is 17 g/mol. To find the maximum mass of NH₃ from 1000g of N, first convert 1000g N to moles (1000g / 14 g/mol = 71.43 mol). Then, use the molar ratio of N to NH₃ (1:1) to determine the maximum mass of NH₃ that can be produced (71.43 mol * 17 g/mol = 1214.71g).
How much NH3 is needed to react exactly with 21 grams of CH3OH?
To calculate the amount of NH3 needed to react with 21 grams of CH3OH, you first need to balance the chemical equation for the reaction. Then, you convert the mass of CH3OH to moles and use the mole ratio from the balanced equation to determine the moles of NH3 required. Finally, convert the moles of NH3 to grams using the molar mass of NH3.
How do you calculate the percent chloride with the volhard method?
(mass /volume)x100
