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How many molecules are there in 1 millim...

How many molecules are there in 1 millimol `NH_(3)` gas ?

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Knowledge Check

  • 1 g of activated charcoal has a surface area of 10^3 m^2 . One molecule of NH_3 having diameter 0.3 nm is supposed to be adsorbed on complete surface of charcoal forming unilayer adsorption. The activated charcoal is brought in contact with 100mL of 2 M NH_3 solution Answer the following questions based on above passage: How many NH_3 molecules are adsorbed on chemical surface ?

    A
    (A)`1.4 xx 10^22`
    B
    (B)`1.4 xx 10^23`
    C
    (C)`1.4 xx 10^21`
    D
    (D)`1.4 xx 10^20`