Asked by Dezi
How many grams of H2O are needed if 41.85g of O2 are to be produced from the reaction below?
2K2O2 + 2H2O = 4KOH + O2
2K2O2 + 2H2O = 4KOH + O2
Answers
Answered by
DrBob222
mols O2 = grams/molar mass O2 = ?
Using the balanced equation, convert mols O2 to mols H2O. You can seee that 1 mol O2 requires 2 mols H2O.
Then convert mols H2O to grams H2O. grams H2O = mols x molar mass = ?
Using the balanced equation, convert mols O2 to mols H2O. You can seee that 1 mol O2 requires 2 mols H2O.
Then convert mols H2O to grams H2O. grams H2O = mols x molar mass = ?
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