1- how many grams of nh3 can be produced from 3.80mol of n2 and

1- How many grams of NH3 can be produced from 3.80mol of N2 and excess H2 ?

2-How many grams of H2 are needed to produce 10.76g of NH3 ?

3-How many molecules (not moles) of NH3 are produced from 3.16×10⁻⁴g of H2 ?

4-What mass of carbon dioxide is produced from the complete combustion of 7.10×10⁻³g of methane?

5-What mass of water is produced from the complete combustion of 7.10×10⁻³g of methane?

6-What mass of oxygen is needed for the complete combustion of 7.10×10⁻³g of methane?