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3 January, 19:37

H2SO4 + 2NaOH → 2H2O + Na So.

Given the reaction shown in the diagram above, what is number of moles of H, so, required to completely react

with 1 mole of NaOH?

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Answers (1)
  1. 3 January, 22:42
    0
    2 mol H

    Explanation:

    For every 2 mol of NaOH, we're reacting 2 mol of H2O. In order to figure out how many mol of H are needed, it needs to be set up stochiometrically. Starting off with the given value, 1 mol of NaOH, we can then make a mol to mol ratio. For 2 mol of NaOH, we have 2 mol of H2O. For every 2 mol of H2O, we have 4 mol of H (this is because we are multiplying the coefficient by the subscript: 2 * 2). Now, we can solve for our answer.

    1 mol NaOH * (2 mol H₂O / 2 mol NaOH) * (4 mol H / 2 mol H₂O)

    = 2 mol H

    Thus, we get 2 mol of H are needed to completely react 1 mol of NaOH.
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