Solving Stechiometry Problems

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Solving Stechiometry Problems When the equation is given?

2 2 CuCl + H2S → Cu2S + HCl 0.2 mol = x 0.4 mol 0.4 mol x mol x mol How many moles of Cu2S are produced when 0.4 moles of CuCl react ? CuCl + H2S → Cu2S + HCl 2 2 0.4 mol 0.4 mol x mol x mol = x 2 mol 1 mol 0.2 mol 1. Balance the Equation 2. Place the relationship that the problem gives 3. Place the relation that the balanced equation gives 4.Solve the equation

2 2 CuCl + H2S → Cu2S + HCl dm3 = x 26.5 dm3 26.5 dm3 x dm3 x dm3 How many dm3 of Cu2S are produced when 26.5 dm3 of CuCl react ? CuCl + H2S → Cu2S + HCl 2 2 26.5 dm3 26.5 dm3 x dm3 x dm3 = x 2 mol 1 mol dm3 1. Balance the Equation 2. Place the relationship that the problem gives 3. Place the relation that the balanced equation gives 4.Solve the equation

2 2 CuCl + H2S → Cu2S + HCl g = x 35.2g 35.2g x g x g 2 mol 1 mol How many grams of Cu2S are produced when 35.2 g of CuCl react ? CuCl + H2S → Cu2S + HCl 2 2 35.2g 35.2g x g x g = x 2 mol 1 mol g 1. Balance the Equation 2. Place the relationship that the problem gives 3. Place the relation that the balanced equation gives 4.Solve the equation