1.   Given the following reaction: 2 Al + 3ZnCl2 –>> 2AlCl3 + 3Zn

a) What mass of aluminum chloride is produced if 2.00 x 1023 atoms of zinc is produced in the same reaction? [4 marks]

b) What mass of aluminum is needed to react with 500.0 mL of 2.50 mol/L zinc chloride?

2 A reaction between silver nitrate and ammonium carbonate results in 21.0 g of white precipitate. Determine the percent yield of the reaction between 30.0 g of silver nitrate and 500.0 mL of 1.00 mol/L ammonium carbonate.

a) Balanced chemical equation

b) Find the limiting reagent.

c) Find theoretical yield.

d.   Find % yield.