question_answer

The mass of an electron is \[9.11\,\times {{10}^{-31}}\,kg\]. Number of electrons required to make 10 g is:

A)  \[\text{1}\text{.1 }\!\!\times\!\!\text{ 1}{{\text{0}}^{27}}\]                                      

B)  \[\text{11 }\!\!\times\!\!\text{ 1}{{\text{0}}^{27}}\]     

C)         \[\text{9}\text{.11 }\!\!\times\!\!\text{ 1}{{\text{0}}^{-28}}\]      

D)        \[\text{9}\text{.11 }\!\!\times\!\!\text{ 1}{{\text{0}}^{28}}\]