Calcium Oxide Reacts with Water in a Combination Reaction to Produce

question 143

Multiple Choice

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO (s) + H₂O (l) → Ca(OH) ₂ (s)
A 3.50 g sample of CaO is reacted with 3.38 g of H₂O.How many grams of water remain after completion of reaction?

• A)0.00
• B)0.00694
• C)2.25
• D)1.04
• E)0.125

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