Answers

2016-03-11T20:28:10+05:30
1 mole = 6.022*10^{23} atoms
6.022*10^{23} atoms = 12 unit
1 atom =  \frac{12}{6.022*10^{23}} unit
1 atom = 1.9926 * 10^{-23}
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2016-03-11T22:05:15+05:30