Number of electron present in 10 g of `H_2O` is

Options

A. `(6.023 xx 10^(-23))/(6)`
B. `(6.023 xx 10^25)/(18)`
C. `(6.023 xx 10^22)/(6)`
D. none of these

Answer

B

Explanation

Number of electrons in 1 mol of water =2+8=10
Number of electrons in 1 mol of water `= 10 xx 6.023 xx 10^23`
10 g of water will contain ` = (10 xx 10 xx 6.023 xx 10^23)/(18) = (6.023 xx 10^25)/(18)`