Which among the following is the heaviest?
Which among the following is the heaviest?
A. one mole of oxygen
B. one molecule of sulphur dioxide
C. 100 a.m.u. of uranium
D. ten moles of hydrogen
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Correct Answer - B
(A) 1 mole of `O_(2) = 32g`
(B) 1 molecule of `SO_(2) = (64)/(6.02xx10^(23)g)`
`1.06xx10^(-22)g`
(C) 100 a.m.u. of U `= (1)/(6.02xx10^(23))xx100g`
`=1.66xx10^(-22)g`
(D) 10 moles of `H_(2) = 10xx2 = 20g`
(E) 44 g of `CO_(2) = 44g`
Clearly (E) is maximum.
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