(a) Define mole. What are the two things that a mole represents. (b) What weight of each element is
Channel: Doubtnut
Date: 2020-01-26

(a) Define mole. What are the two things that a mole represents. (b) What weight of each element is present in `1.5` moles of sodium sulphate , `Na_(2)SO_(3)` ? (Atomic masses : `Na = 23 u , C = 12 u , O = 16 u`)