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22 July, 23:31

when 200. milliliters of an HNO3 solution is exactly neutralized by 250 milliliters of a 0.50 M solution of KOH, what is the concentration of HNO3

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  1. 23 July, 01:08
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    Molarity HNO₃ Soln = 0.625M

    Explanation:

    Molarity of Acid Soln X Volume Acid Soln = Molarity of Base Soln x Volume of Base Soln

    Molarity HNO₃ Soln x 200-ml HNO₃ Soln = 0.50M KOH Soln x 250-ml KOH Soln

    Molarity HNO₃ Soln = (0.50M) (250ml) / (200ml) = 0.625M
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