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Stoichiometry Worksheet 1 with Answers, Exercises of Chemistry

Bowdoin CollegeChemistry

Stoichiometry exercise questions solved by hand

Typology: Exercises

2020/2021

Uploaded on 04/20/2021

tomcrawford
tomcrawford 🇺🇸

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Stoichiometry WorkSheet #1: Worked Solutions
Answer the following questions on your own paper. Show all work. Circle the final
answer, giving units and the correct number of significant figures.
1. Based on the following equation, how many moles of each product are
produced when 5.9 moles of Zn(OH)2 are reacted with H3PO4? (You need
to balance the equation.)
Zn(OH)2 + H3PO4 -----> Zn3(PO4)2 + H2O
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Stoichiometry WorkSheet #1: Worked Solutions

Answer the following questions on your own paper. Show all work. Circle the final answer, giving units and the correct number of significant figures.

  1. Based on the following equation, how many moles of each product are produced when 5.9 moles of Zn(OH) 2 are reacted with H 3 PO 4? (You need to balance the equation.)

Zn(OH) 2 + H 3 PO 4 -----> Zn 3 (PO 4 ) 2 + H 2 O

  1. How many grams of hydrogen are produced when 5.9 moles of aluminum reacts with excess hydrochloric acid? (You need to write out the balanced equation.)
  1. How many grams of silver (I) chloride can be produced from the reaction of 59.4 g of silver (I) nitrate with excess sodium chloride?
  1. How many grams of oxygen are required for the complete combustion of 47.2 g of butane, C 4 H 10?
  1. Sodium nitrate decomposes to give sodium nitrite and oxygen. Write the balanced equation.
  1. Using the equation from problem 7, if 25.0 g of sodium nitrate decompose, how many grams of each product should be produced?