% yield, yay!?

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CO + 2H2 -> CH3OH has a 61.3% yield. To produce 6.8 grams of CH3OH, what mass of H is necessary?

2007-12-08 11:27:52 · 2 answers · asked by Hey D 1 in Science & Mathematics ➔ Chemistry

Use the atomic weights to calculate the wt. of CH3OH and the H in it. Then calculate the theoretical quantity and divide by 0.613.

2007-12-08 12:08:18 · answer #1 · answered by Tim C 7 · 0⤊ 0⤋

6.8 g CH3OH / 0.613 = 11 g
11 g CH3OH * 1 mol CH3OH/32.0421g * 2 mol H2/1mol CH3OH * 1.00794 g H2/1 mol H2 = 0.70g H2

2007-12-08 12:05:28 · answer #2 · answered by Ipsulis 3 · 0⤊ 0⤋