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In the correct equation for the reaction of sodium with water, the sum of the simplest...

In the correct equation for the reaction of sodium with water, the sum of the simplest whole-number coefficients is:

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Answer #1

The balanced equation is : 2Na(s) + 2H2O (l) 2NaOH(aq) + H2(g)

Here the coefficient of Na is 2

        the coefficient of H2O is 2

         the coefficient of NaOH is 2

        the coefficient of H2 is 1

Therefore the sum of the coefficients of reactants is 2+2 = 4

              the sum of the coefficients of products is 2+1 = 3

The sum of the coefficients of both reactants & products is 4+3=7

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