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Question
Balance the following equation:
\[\ce{ZnO + NaOH->Na2ZnO2 + H2O}\]
Solution
\[\ce{ZnO + NaOH->Na2ZnO2 + H2O}\]
Multiply NaOH on the left side by 2 to make Na and O equal.
\[\ce{ZnO + 2NaOH->Na2ZnO2 + H2O}\]
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