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Since the given reaction is already balanced, simply divide 12 by the coefficient of Na in the equation, resulting in a quotient of 6. Multiply the coefficients of the original equation by 6 to obtain the answer: 6 X 2 = 12 moles of water required.

(Note that the equation should have been written with mostly capital letters as follows: 2 Na + 2 H2O -> 2 NaOH + H2.)

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Q: How many moles of h2o are needed to consume 12 moles of na in the following reaction 2 na plus 2 h2o 2 naoh plus h2?
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