Question
8.10 g metal combines with 7.20g of oxygen to form X2O3. What is the relativ
e mass of X
e mass of X
Answers
DrBob222
4X + 3O2 ==> 2X2O3
mols O2 = 7.2/32 = about 0.225
mols X = 0.225 x 4/3 = about o.9
mols X = grams/molar mass. You know g and mols, solve for molar mass
mols O2 = 7.2/32 = about 0.225
mols X = 0.225 x 4/3 = about o.9
mols X = grams/molar mass. You know g and mols, solve for molar mass