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22 February, 07:21

How many atoms of hydrogen exist in Na + H2O → NaOH + H2

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Answers (1)
  1. 22 February, 10:36
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    If you're talking about in an actual sample, you'd need more data like how many moles you have of the reactant or product.

    Just in terms of the equation : there are two from the water in the reactant (left) side, and one from the sodium hydroxide and two for the hydrogen gas on the product (right) side, so 2+1+2=5 atoms of hydrogen.
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