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Malik Chokshi
Asked: 2022-10-29T00:50:32+05:30 In:

Which of the following will not have a mass of 10 g?
A. `0*1` mol `CaCO_(3)`
B. `1*51xx10^(23)` `Ca^(2+)` ions
C. `0*16` mol of `CO_(3)^(2)` ions
D. `7*525xx10^(22)` Br atom.

Which of the following will not have a mass of 10 g?
A. `0*1` mol `CaCO_(3)`
B. `1*51xx10^(23)` `Ca^(2+)` ions
C. `0*16` mol of `CO_(3)^(2)` ions
D. `7*525xx10^(22)` Br atom.
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1 Answer

  1. Correct Answer – C
    `0.1` mole `CaCO_(3) = 0*1xx100 = 10g`
    `Ca^(2+) = (1.51xx10^(23))/(6*023xx10^(23))xx40=10g`
    `CO_(3)^(2-) = 0*16xx60 = 9*6 g`
    `Br = (7*525xx10^(22))/(6*02xx10^(23))xx80=10g`

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