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Question
Complete the following blank in the equation as indicated.
\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]
Molecules: 6.02 × 1023 + ______ `→` ______ + ______
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Solution
6.02 × 1023 + 12.04 × 1023 `→` 6.02 × 1023 + 12.04 × 1023
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