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The number of molecules in one litre of ...

The number of molecules in one litre of water is (density of water = 1g/mL) 

A

`6xx10^(23)//22.4`

B

`3.33xx10^(25)`

C

`3.33xx10^(23)`

D

`3.33xx10^(23)`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • The number of molecules in one litre of air at STP is

    A
    `6xx10^(23)`
    B
    `6xx10^(23)//22400`
    C
    `6xx10^(23)//22.4`
    D
    data insufficient

  • The number of molecules present in 1g of hydrogen

    A
    `6xx10^(23)`
    B
    `3xx10^(23)`
    C
    `1xx10^(23)`
    D
    `2xx10^(23)`

  • The number of water molecules in a drop of water weighing 5 mg is

    A
    `6.023 xx 10^(72)`
    B
    `3.0125 xx 10^(21)`
    C
    `1.67 xx 10^(20)`
    D
    `1.67 xx 10^(21)`

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    Natural abundance of heavy water in water is 1: 6000 . How many heavy water molecules are present in one drop of water ? (one mL water is 20 drops)

    Oridinary water contain one part of heavy water per 6000 parts of water by weight. The number of heavy water molecules present in a drop of water of volume 0.01 mL is (density of water 1 g/mL)

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