3. Chemical Reactions
Percent Yield
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ANSWERS OPTIONS
A
78.2 %
B
87.1 %
C
74.6 %
D
69.9 %
E
85.6 %
Calcium hydroxide is produced by the reaction of calcium oxide reacts with water as shown in the reaction below:
CaO (s) + H2O (I) → Ca(OH)2 (s)
Calculate the percent yield if a 4.89-g sample of CaO is reacted with excess water and 5.63 g of Ca(OH)2 is produced.