Stoichiometry 2Al + 3Cl2 à 2AlCl3

1. How many grams of chlorine are needed to make 65.23 g of aluminum chloride?

MgF2 + 2NaHCO3 à Mg(HCO3)2 + 2NaF

2. What mass of NaF is made from 4.23 g of MgF2?

2AgNO3 + Cu à Cu(NO3)2 + 2Ag

3. How much silver nitrate do you need to make 8.79 g of silver?

K2SO4 à 2K + SO2 + O2

4. What mass of potassium sulfate must decompose to make 25.00 g of oxygen gas?

CH4 + 2O2 à CO2 + 2H2O

5. How much oxygen is needed to burn 9.25 g of methane (CH4)?

Mg + 2HCl à MgCl2 + H2

6. How many moles of MgCl2 is made from 14.05 g of magnesium?