Calcium Oxide Reacts with Water in a Combination Reaction to Produce

question 74

Multiple Choice

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s) + O(l) → (s)
A 4.50 g sample of CaO is reacted with 4.34 g of O. How many grams of water remain after the reaction is complete?

• A) 0.161 g
• B) 0.00893 g
• C) 1.45 g
• D) 0.241 g
• E) 2.89 g

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