Calcium Oxide Reacts with Water in a Combination Reaction to Produce

question 173

Multiple Choice

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide:
CaO(s) + H₂O(l) → Ca(OH) ₂(s)
A 4.50-g sample of CaO is reacted with 4.34 g of H₂O.How many grams of water remain after the reaction is complete?

• A)0.00
• B)0.00892
• C)2.90
• D)1.04
• E)0.161

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