Question

calculate number of chloride ion in 9.5 g of magnesium chloride ​

Answer 1

No. Of mole = given mass/atomic mass

=9.8/25

=0.392

No. Of ions = no. Of mole/avagadro constant

0.392/6.022×10 raise to power 23

=2.360×10 raise to power 26

Thnx