Question

find the formula mass of CaCl2 and KMnO4​

Answer 1

Answer:

1. atomic mass of Cl2 is 35.5*2= 71

formula mass of CaCl2 is 40+71=111g

2. formula mass of KMnO4=158.034g

Answer 2

Answer:

i) Formula mass of CaCl2.

CaCl2:-

Calcium chloride/Molar mass

110.98 g/mol

Formula: CaCl2

IUPAC ID: Calcium chloride

Density: 2.15 g/cm³

ii) KMNO4:-

Potassium Permanganate/Molar Mass

158.034 g/mol

Formula: KMnO₄

IUPAC ID: Potassium manganate(VII)

Density: 2.7 g/cm³.