Limiting Reagent, Excess Reagent, and Percent Yield

Limiting Reagent, Excess Reagent, and Percent Yield

Name______Period______Date______

LIMITING REAGENT, EXCESS REAGENT, AND PERCENT YIELD

WORKSHEET 1

1) When copper (II) chloride reacts with sodium nitrate, copper (II) nitrate and sodium chloride are formed.

a)Write the balanced equation for the reaction given above:

__CuCl2 + __ NaNO3  __Cu(NO3)2 + __NaCl

b)If 15.0 grams of copper (II) chloride react with 20.0 grams of sodium nitrate, how much sodium chloride can be formed?

c)What is the limiting reagent for this reaction? ______

d) How many grams of copper(II) nitrate are formed?

e)How much of the excess reagent is left over in this reaction?

f)If 11.3 grams of sodium chloride are formed in the reaction described in part a), what is the percent yield of this reaction?

2) Aluminum sulfite reacts with sodium hydroxide to form sodium sulfite and aluminum hydroxide.

a) Write the balanced chemical equation for the reaction given above:

___Al2(SO3)3 + ___NaOH ------> ___Na2SO3 + ___Al(OH)3

b) If 10.0 g of Al2(SO3)3 is reacted with 10.0 g of NaOH, determine the mass of sodium sulfite.

c)What is the limiting reagent for this reaction?______

d)How many grams of aluminum hydroxide are formed?

e)How much of excess reagent is left over in this reaction?

f)If 9.50 grams of aluminum sulfite are formed in the reaction described in part a), what is the percent yield of this reaction?

Name______Period______Date______

LIMITING REAGENT, EXCESS REAGENT, AND PERCENT YIELD

WORKSHEET 1

1) When copper (II) chloride reacts with sodium nitrate, copper (II) nitrate and sodium chloride are formed.

a)Write the balanced equation for the reaction given above:

__CuCl2 + __ NaNO3  __Cu(NO3)2 + __NaCl

b)If 15.0 grams of copper (II) chloride react with 20.0 grams of sodium nitrate, how much sodium chloride can be formed?

c)What is the limiting reagent for this reaction? ______

d) How many grams of copper(II) nitrate are formed?

e)How much of the excess reagent is left over in this reaction?

f)If 11.3 grams of sodium chloride are formed in the reaction described in part a), what is the percent yield of this reaction?

2) Aluminum sulfite reacts with sodium hydroxide to form sodium sulfite and aluminum hydroxide.

a) Write the balanced chemical equation for the reaction given above:

___Al2(SO3)3 + ___NaOH ------> ___Na2SO3 + ___Al(OH)3

b) If 10.0 g of Al2(SO3)3 is reacted with 10.0 g of NaOH, determine the mass of sodium sulfite.

c)What is the limiting reagent for this reaction?______

d)How many grams of aluminum hydroxide are formed?

e)How much of excess reagent is left over in this reaction?

f)If 9.50 grams of aluminum sulfite are formed in the reaction described in part a), what is the percent yield of this reaction?