Asked by michelle
Consider the following reaction:
2 B5H9 + 12 O2 => 5 B2O3 + 9 H2O
How many grams of O2 are needed to make 432.7 g of H2O?
2 B5H9 + 12 O2 => 5 B2O3 + 9 H2O
How many grams of O2 are needed to make 432.7 g of H2O?
Answers
Answered by
DrBob222
mols H2O = grams/molar mass = ?
Use the coefficients to convert mols H2O to mols O2.
Now convert mols O2 to grams O2. g O2 = mols O2 x molar mass O2
Use the coefficients to convert mols H2O to mols O2.
Now convert mols O2 to grams O2. g O2 = mols O2 x molar mass O2