Question

Find the number of sulphur atoms present in 0.2 moles of sodium thiosulphate(Na2 S2 O3)​

Answer 1

Explanation:

Sulphur atoms in 1 mole of sodium thiosulphate = 2 × 6.022 × 10^23

...0.2 mole = 2 × 6.022 × 10^23 / 0.2

= 6.022 × 10^24