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1 November, 03:27

25.00cm3 of 0.100m NaOH is needed to titrate 25.00cm3 of a solution of hydrochloric acid, calculate the concentration of the acid

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  1. 1 November, 03:37
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    The balanced chemical reaction is:

    HCl + NaOH - > NaCl + H2O

    We see that there is a 1:1 mole correspondence

    First calculate the moles of NaOH:

    moles NaOH = 0.100 M * 0.025 L = 0.0025 mol

    Therefore the molarity of HCl is:

    Molarity HCl = 0.0025 mol / 0.025 L = 0.100 M
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