Anyone know??? First correct answer showing your work gets the 10 points...
2006-07-17 10:31:12 · 5 answers · asked by RED MIST! 5 in Science & Mathematics ➔ Chemistry
Molar mass of CH4 = 12 + 4(1) = 16g/mol
100g / (16g/mol) = 6.25 mol
6.25 mol * (4 mol H/1mol CH4) = 25
25 mol H * (6.02*10^23 atoms/mol) =
1.505 *10^25 atoms of H
2006-07-17 10:37:37 · answer #1 · answered by Steven B 6 · 3⤊ 0⤋
n = m / M n = 100 / ((1x12) + (4x1)) n = 100 / 16 n = 6.25 mol. n(H) / 4 = n(CH4) / 1 n(H) = 4 x n(CH4) = 4x 6.25 = 25 mol N = n x NA = 25 x 6.023x10^23 = 1.50575 x 10^25 atoms of H
2016-03-26 21:58:12 · answer #2 · answered by Anonymous · 0⤊ 0⤋
atomic weights of carbon, hydrogen: 12.01, 1.01 (g/mol)
molecular weight of CH4:12.01+4.04=16.05g/mol
100g / (16.05 g/mol) = 6.230 moles of CH4
You can guess how much carbon is in that.....
2006-07-17 10:35:54 · answer #3 · answered by poorcocoboiboi 6 · 0⤊ 0⤋
400?
2006-07-17 10:35:50 · answer #4 · answered by Lindsay 1 · 0⤊ 0⤋
All of them.
2006-07-17 10:51:39 · answer #5 · answered by Grumpy 6 · 0⤊ 0⤋