(a) Define molar mass. What are its units ? (b) Write the names of compounds represented by the following formulas : (i) K2C03 (ii) Na2SO4 (iii) Ca(HCO3)2 (iv) H2SO4

CBSE Class 9 CBSE Class 9 Science
1

(a) The molar mass of a substance is the mass of 1 mole of that substance.
(b) (i) Potassium carbonate
(ii) Sodium sulphate
(iii) Calcium bicarbonate/ Calcium hydrogen carbonate
(iv) Hydrogen sulphide