Chem Mastery Mass Stoich Set 3

3 Questions
Chem Mastery Mass Stoich Set 3
Sample Question

Given this equation: 2 KI + Pb(NO3)2 --> PbI2 + 2 KNO3 calculate mass of PbI2 produced by reacting of 30.0 g KI with excess Pb(NO3)2

41.2g

41.4g

41.6g

41.8g

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Questions and Answers
  • 1. 
    Given this equation: 2 KI + Pb(NO3)2 --> PbI2 + 2 KNO3 calculate mass of PbI2 produced by reacting of 30.0 g KI with excess Pb(NO3)2
    • A. 

      41.2g

    • B. 

      41.4g

    • C. 

      41.6g

    • D. 

      41.8g

  • 2. 
    If you start with 10.0g of lithium hydroxide, how many grams of lithium bromide will be produced: LiOH + HBr --> LiBr + H2O
    • A. 

      36.1g

    • B. 

      36.3g

    • C. 

      36.5g

    • D. 

      36.7g

  • 3. 
    If you start from 20.g of hydrochloric acid, how many grams of sulphuric acid will be produced: HCl + Na2SO4 --> NaCl + H2SO4
    • A. 

      21g

    • B. 

      23g

    • C. 

      25g

    • D. 

      27g