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Chemistry
What will be the mass of one atom of 12 C ?
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Q. What will be the mass of one atom of ${ }^{12} C$ ?
WBJEE
WBJEE 2020
A
$1$ a.m.u.
B
$1.9923 \times 10^{-23} g$
C
$1.6603 \times 10^{-22} g$
D
$6$ a.m.u.
Solution:
Mass of 1 atom of ${ }^{12} C =12$ a.m.u.
$=12 \times 1.66 \times 10^{-24} g$
$ =1.9923 \times 10^{-23} g$