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The mass of one molecule of water is app...

The mass of one molecule of water is approximately

A

`3 xx 10^(-23) g`

B

`18 g`

C

`1.5 xx 10^(-23) g`

D

`4.5 xx 10^(-23) g`

Text Solution

Verified by Experts

The correct Answer is:
A
Mass of one molecule of water `
`= ( 18 )/( 6.023 xx 10^(23)) ~~ 3 xx 10^(-23)g`
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Knowledge Check

  • The mass of a molecule of water is

    A
    `3xx10^(-26)kg`
    B
    `3xx10^(-25)kg`
    C
    `1.5xx10^(-26)kg`
    D
    `2.5xx10^(26)kg`

  • The mass of a molecule of water is

    A
    `3xx10^(-26)kg`
    B
    `3xx10^(-25)kg`
    C
    `1.5xx10(-26)kg`
    D
    `2.5xx10^(-26)kg`

  • The mass of a molecule of water is:

    A
    `3 xx 10^(-26) kg`
    B
    `3 xx 10^(-25) kg`
    C
    `1.5 xx 10^(-26) kg`
    D
    `2.5 xx 10^(-26) kg `

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    The density of water at 4^(@)C is 1.0 xx 10^(3)kg m^(-3) . The volume occupied by one molecule of water is approximately (N_(A) = 6.0 xx 10^(23)) :

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