Stoichiometry Practice Worksheet Using the following equation: 2 NaOH+ H 2 SO 4 →2 H 2 O+ Na 2 SO 4 How many grams of sodium sulfate will be formed if you start with 200 grams of sodium hydroxide and you have an excess of sulfuric acid? 200g NaOH× 40 g NaOH 1 mol NaOH × 2 mol NaOH 1 mol Na 2 SO 4 × 1 mol Na 2 SO 4 142.05 g Na 2 SO 4 355.125 355 g Na 2 SO 4 Using the following equation: Pb(SO 4 ) 2 +4 LiNO 3 →Pb(NO 3 ) 4 +2 Li 2 SO 4 How many grams of lead(IV) nitrate are produced from 250. grams of lithium nitrate and 250. grams of lead(IV) sulfate? Which is the limiting reactant? 250 g Pb(SO 4 ) 2 × 399.27 g Pb(SO 4 ) 2 1 mol Pb(SO 4 ) 2 × 1 mol Pb(SO 4 ) 2 1 mol Pb(NO 3 ) 4 × 1 mol Pb(NO 3 ) 4 455.24 g Pb(NO 3 ) 4 285.5 g Pb(NO 3 ) 4 250 g LiNO 3 × 68.95 g LiNO 3 1 mol LiNO 3 × 4 mol LiNO 3 1 mol Pb(NO 3 ) 4 × 1 mol Pb(NO 3 ) 4 455.24 g Pb(NO 3 ) 4 412.3 g Pb(NO 3 ) 4 Pb(SO 4 ) 2 is limiting reactant.

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