In the following reaction 2H2+O2-->2H2O......?

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what is the percentage yeild of the reaction if 2 grams of H2 produces 18 grams of H2O?

2007-11-11 12:34:43 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

Atomic weights: H=1 O=16 H2O=18

2gH2 x 1molH2/2gH2 x 2molH2O/2molH2 x 18gHrO/1molH2O = 18g H2O

18g/18g x 100% = 100% yield

2007-11-11 12:40:23 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋

Thats 1 mole of hydrogen giving 1 mole of water which is 100% yield.

2007-11-11 12:41:06 · answer #2 · answered by Aurium 6 · 0⤊ 0⤋