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What is the ratio of coefficients of cau...

What is the ratio of coefficients of caustic soda and zinc metal in the reaction between zinc and NaOH? 

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The skeleton equation is `NaOH + Zn rarr Na_(2)ZnO_(2) + H_(2)`
The balanced equation is `2NaOH + Zn rarr Na_(2)ZnO_(2) + H_(2)`
The ratio of coefficients NaOH and Zn = 2 : 1
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