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The number of gram molecules of oxygen i...

The number of gram molecules of oxygen in `6.02 xx 10^24` CO molecules is :

A

10 gram molecules

B

5 gram molecules

C

1 gram molecule

D

0.5 gram molecule

Text Solution

Verified by Experts

The correct Answer is:
B
No. of atoms of oxygen in `6.02 xx 10^24` CO molecules ` = 6.02 xx 10^24` (each CO contains 1 oxygen atom)
No. of oxygen molecules
` = (6.02 xx 10^24)/(2) = 3.01 xx 10^24`
Gram molecules of oxygen
` = (3.01 xx 10^24)/(6.02 xx 10^23) = 5`
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Knowledge Check

  • The mass of one molecule of oxygen is:

    A
    32 g
    B
    `32// 6.02 xx 10^23 g `
    C
    `16 // 6.02 xx 10^23`
    D
    `0.32 g`

  • The number of gram molecules of chlorine in 6.02 xx 10^(25) hydrogen chloride molecules is

    A
    10
    B
    100
    C
    50
    D
    5

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    A
    100
    B
    10
    C
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    D
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