Quicklime, CaO (56

question 57

Multiple Choice

Quicklime, CaO (56.08 g/mol) , and water can be produced by heating calcium hydroxide, Ca(OH) ₂ (74.09 g/mol) .What is the percent yield if 45.0 g of quicklime are obtained from 90.0 g of calcium hydroxide?

• A)75.7%
• B)66.1%
• C)37.8%
• D)80.2%
• E)50.0%

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