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How many grams of KOH should …

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How many grams of KOH should be dissolved in one liter of the solution to prepare a solution with pH = 9

    • Posted by Arushika Pathania 3 years, 9 months ago

    CBSE > Class 10 > Science
    • 1 answers

    Yash Jaiswal????? 3 years, 9 months ago

    At pH =12, the concentrations of OH_ is 0.01 m .Since you want to make 1 liter of this solution you will need 0.01 moles of KOH. Since KOH weighs 56.11g/mole you will need: 0.01 moles × 56.11 g/ mole= 0.5611g of KOH

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