Question

① Find the molecular mass
of following compounds
(I) HBr
(ii) H₂O
(iii) Na Cl
(iv) КBr
(V) Ca Cl2
(vi) KI​

Answer 1

Answer:

Explanation:

1. HBr = 1+ 80 = 81

2.H2O = (1×2)+16 = 18

3.NaCl = 23 + 35.5 = 58.5

4.KBr = 39 + 80 = 119

5. CaCl2 = 40 +(35.5 ×2) = 111

6.KI = 39+ 127 =166