Asked by rosie

2H2 + O2 = 2H2O
how many moles of water are produced from 128g of O2

Answers

Answered by DrBob222
2H2 + O2 = 2H2O
mols O2 = grams/molar mass = 128/32 = ?
Look at the coefficients in the balanced equation. You get 2 mols H2O for every 1 mol O2
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