What's More More Than Enough Directions: Read carefully the following problems. Find what is asked for each problem. Write your complete solution and answer in a separate sheet of paper. 1. In the production of Zinc sulfide, 36.8 g of zinc is made to react with 19.4 g of sulfur. Zn +S → ZnS a. How many moles of ZnS is produced when sulfur is completely used up? b. How many grams of ZnS is produced when zinc is completely used up? c. Which reactant is the limiting reagent? d. How many grams of the excess reagent is left? 2. An aqueous solution of NaOH can dissolve an aluminum sheet in the reaction: 2 Al + 2 NaOH + 2H20 → 2 NaAl02 +3 H2 If 126.4 g of NaOH is 97.7 g of Al are made to react, a. How many moles of NaAIO2 is produced if 126.4 g of NaOH reacts completely? b. How many grams of NaAIO2 is produced using the same amount of NaÕH? c. Which reactant is the limiting reagent? d. How many grams of the excess reagent is left? 3. Ferric chloride, FeCl3, reacts with silver nitrate, AGNO3 to form ferric nitrate, Fe(NO3)3 and silver chloride, AgCl. a. Write the balanced chemical equation of the reaction. b. If 108.5 moles of FeCl, is combined with 76.8 moles of AgNO3, how many moles of AgCl is produced? c. How many grams of AgCl is produced? d. Which reactant is the limiting reagent? e. Which reactant is the excess reagent?
What's More More Than Enough Directions: Read carefully the following problems. Find what is asked for each problem. Write your complete solution and answer in a separate sheet of paper. 1. In the production of Zinc sulfide, 36.8 g of zinc is made to react with 19.4 g of sulfur. Zn +S → ZnS a. How many moles of ZnS is produced when sulfur is completely used up? b. How many grams of ZnS is produced when zinc is completely used up? c. Which reactant is the limiting reagent? d. How many grams of the excess reagent is left? 2. An aqueous solution of NaOH can dissolve an aluminum sheet in the reaction: 2 Al + 2 NaOH + 2H20 → 2 NaAl02 +3 H2 If 126.4 g of NaOH is 97.7 g of Al are made to react, a. How many moles of NaAIO2 is produced if 126.4 g of NaOH reacts completely? b. How many grams of NaAIO2 is produced using the same amount of NaÕH? c. Which reactant is the limiting reagent? d. How many grams of the excess reagent is left? 3. Ferric chloride, FeCl3, reacts with silver nitrate, AGNO3 to form ferric nitrate, Fe(NO3)3 and silver chloride, AgCl. a. Write the balanced chemical equation of the reaction. b. If 108.5 moles of FeCl, is combined with 76.8 moles of AgNO3, how many moles of AgCl is produced? c. How many grams of AgCl is produced? d. Which reactant is the limiting reagent? e. Which reactant is the excess reagent?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:What's More
More Than Enough
Directions: Read carefully the following problems. Find what is asked for each problem.
Write your complete solution and answer in a separate sheet of paper.
1. In the production of Zinc sulfide, 36.8 g of zinc is made to react with 19.4 g of sulfur.
Zn +S → ZnS
a. How many moles of ZnS is produced when sulfur is completely used up?
b. How many grams of ZnS is produced when zinc is completely used up?
c. Which reactant is the limiting reagent?
d. How many grams of the excess reagent is left?
2. An aqueous solution of NaOH can dissolve an aluminum sheet in the reaction:
2 Al + 2 NaOH + 2H20 → 2 NaAl02 +3 H2
If 126.4 g of NaOH is 97.7 g of Al are made to react,
a. How many moles of NaAIO2 is produced if 126.4 g of NaOH reacts completely?
b. How many grams of NaAIO2 is produced using the same amount of NaÕH?
c. Which reactant is the limiting reagent?
d. How many grams of the excess reagent is left?
3. Ferric chloride, FeCl3, reacts with silver nitrate, AGNO3 to form ferric nitrate, Fe(NO3)3 and
silver chloride, AgCl.
a. Write the balanced chemical equation of the reaction.
b. If 108.5 moles of FeCl, is combined with 76.8 moles of AgNO3, how many moles of
AgCl is produced?
c. How many grams of AgCl is produced?
d. Which reactant is the limiting reagent?
e. Which reactant is the excess reagent?
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