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Calcium Oxide Reacts with Water in a Combination Reaction to Produce

Question 107

Multiple Choice

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO (s) + H2O (l) → Ca(OH) 2 (s)
In a particular experiment,a 2.00-g sample of CaO is reacted with excess water and 2.14 g of Ca(OH) 2 is recovered.What is the percent yield in this experiment?


A) 107
B) 1.07
C) 2.88
D) 81.1
E) 93.3

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