Asked by Anonymous
If 75.0 grams of water is decomposed into hydrogen and oxygen, how many grams of oxygen should be formed?
Answers
Answered by
DrBob222
2H2O ==> 2H2 + O2
Convert 75.0g H2O to mols. mols = grams/molar mass
Use the coefficients in the equation to convert mols H2O to moles O2.
Convert moles O2 to grams. g = mols x molar mass
Convert 75.0g H2O to mols. mols = grams/molar mass
Use the coefficients in the equation to convert mols H2O to moles O2.
Convert moles O2 to grams. g = mols x molar mass
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