Question

1 amu when expressed as $1.66\times$ ${10}^{-x}$g ,x =?

• A. 20
• B. 28
• C. 24
• D. 30

Answer 1

The correct option is C

24

$1amu=\left(\frac{1}{12}\right)\times massof{}_6^{12}Catom=1.66056\times {10}^{-24}g$