60.0 g of CaC2 reacts with water to produce C2H2 and 81.2 g of Ca(OH)2. The reaction between these two substances are chemically written as:

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter1: The Nature Of Chemistry
Section: Chapter Questions
Problem 127QRT
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Show your complete solution and express your final answer in two decimal places.

  1. A 60.0 g of CaC2 reacts with water to produce C2H2 and 81.2 g of Ca(OH)2. The reaction between these two substances are chemically written as:

 

_______ CaC2 + ______ H2O → _____ C2H2 + _______ Ca(OH)2

  1. Balance the chemical equation.
  2. Calculate the molar mass of CaC2 and Ca(OH)2?
  3. What is the theoretical yield of Ca(OH)2? What is the percent yield of this reaction if the actual yield of Ca(OH)2 exceeds 2.1 g ?
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