Here is the process for working stoichiometry problems. You already have moles so you can skip step 2.
http://www.jiskha.com/science/chemistry/stoichiometry.html
Please help with these 2 stoichiometry questions.
How many grams of NH3 can be produced from 3.98 mol of N2?
How many grams of H2 are needed to produce 10.41g of NH3?
2 answers
How many of CaOare needed to react with excess water to produce 370g of calcium hydroxide?