Question

Q.2. B. Calculate the molecular mass of following compounds.
[H(1), O(16), N(14), K(39), S(32) Ca(40), Na(23), CI(35.5), Mg(24).)
Ca(OH)2
a.
b.
Naci
MgCl2
KNO,
d.​

Answer 1

Explanation:

(a)

40 + 32 + 2 = 74

(b)

$23 + 35.5 = 58.5$

(c)

$24 + 71 = 95$

(d)

$39 + 14 + 48 = 101$