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The density of water is 1gm//ml. The vol...

The density of water is `1gm//ml`. The volume of water drop is 1.8 ml. The no. of molecules present in one water drop are

A

`6.023xx10^(23)`

B

`6.023xx10^(21)`

C

`3.011xx10^(20)`

D

`6.023xx10^(22)`

Text Solution

Verified by Experts

The correct Answer is:
D
`"1.8 ml"rarr"1.8 gm (d = 1 gm/ml)"`
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Knowledge Check

  • If 1 ml of water contains 20 drops. Then no. of molecules in a drop of water is

    A
    `6.023xx10^(23)` molecules
    B
    `1.376xx10^(26)` molecules
    C
    `1.677xx10^(21)` molecules
    D
    `4.346xx10^(20)` molecules

  • If 1 ml of water contains 20 drops. Then no. of molecules in a drop of water is

    A
    `6.023 xx 10^(23)` molecules
    B
    `1.376 xx 10^(26)` molecules
    C
    `1.667 xx 10^(21)` molecules
    D
    `4.346 xx 10^(20)` molecules

  • The density of a liquid is 1.2 g/mL. There are 35 drops in 2 mL. The number of molecules in one drop are (molar mass of liquid=70)

    A
    `((1.2)/(35 ))N_A`
    B
    `((1)/(35 ))^2 N_A`
    C
    `(1.2 )/((35)^2)N_A`
    D
    `1.2 N_A`

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