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The number of atoms in 4.25g …

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The number of atoms in 4.25g of NH3 is approximately?

    • Posted by Supriyo Mukherjee 7 years, 7 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Ďãřşháñăã Yadav???✊ 7 years, 7 months ago

    Molar mass NH3 = 14+3 = 17g/mol 4.25g = 4.25/17 = 0.25 mol NH3 1mol = 6.022*10^23 molecules 0.25 mol = 0.25*6.022*10^23 Number of molecules = 1.51*10^23 molecules NH3

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