For the reaction 2CH3OH + 3O2 → 2CO2+ 4H2O, what is the maximum amount of CO2 which could be formed from 13.97 g of CH3OH and 5.45 g of O2?

Question

Answer in units of g.

Consider the reaction H3PO4 + 3NaOH → Na3PO4 + 3H2O. How much Na3PO4
can be prepared by the reaction of 3.43 g of H3PO4 with an excess of NaOH?
Answer in units of g

For the reaction ?Fe+?H2O → ?Fe3O4 +?H2, what is the maximum amount of Fe3O4(231.533 g/mol) which could be formed from 12.34 mol of Fe (55.845 g/mol) and 8.74 mol of H2O (18.0153g/mol)?
Answer in units of g.