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Calculate the number of neutrons in 46 n...

Calculate the number of neutrons in 46 ng of `""^(14) CO_(2)` .

Text Solution

Verified by Experts

Number of neutrons in 46 g `""14 CO_(2) = 24 xx 6.022 xx 10^(23)`
`therefore` Number of neutrons present in 4 ng `""_(14) CO_(2)`
`= (24 xx 6.022 xx 10^(23))/(46) xx 46 xx 10^(-9)`
`=24 xx 6.022 xx 10^(14) = 144.3 xx 10^(14)`
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Knowledge Check

  • Find the total no. of neutrons in 7 mg of C^14

    A
    `2.4xx10^21`
    B
    `1.2xx10^21`
    C
    `6.2xx10^20`
    D
    `5.4xx10^22`