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22 September, 12:37

How many grams of KOH are needed to prepare 250mL of a 2.50M solution of KOH

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  1. 22 September, 12:45
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    The answer for this question is 35 gram

    The molar mass of KOH is 56 gram

    250mL = 0.25 L

    The molarity of the solution is = 2.5M

    mass = molarity (in gram) x molar mass x volume (in Liter)

    Now we just need to insert the number above into the formula

    mass = 2.5 x 56 x 0.25

    mass = 35 gram
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