Bihar Police Constable Model Paper 2

Question : 86 of 100

Marks: +1, -0

The formula unit mass of

CaCl_2

is:

Solution:

The formula unit mass of $CaCl_2$ is 111 u.
Atomic Mass of Ca= 40
Atomic Mass of Chlorine= 35.5 x2 = 71
Formula Unit Mass = 40+71= 111.
Formula unit mass is defined as the sum of the mass of all the atoms each multiplied by atomic masses that are present in the empirical formula of a compound.
Cacl2 or calcium chloride is also known as Ice Bite.

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