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Calculate the mass of urea required …

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Calculate the mass of urea required in making 2.5 kg of 25 molal aq. Solution

    • Posted by Ajay Singh 7 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Prerna Kumari 7 years, 4 months ago

    Since, molality = mole of urea / mass of solve Therefore, 25 = mole of urea / 2.5 Mole of urea = 25×2.5 =62.5 Mass of urea / molecular mass of urea = 62.5 Mass of urea / 60 =62.5 Mass of urea = 62.5 × 60 = 3750 gm

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