Question

# Equivalent weight of a bivalent metal is $$37.2$$. The molecular weight of its chloride is

A
216.6
B
148.8
C
145.4
D
172.8

Solution

## The correct option is C 145.4 $$Equivalent \: weight \: of \: M^{2+} = 37.2$$$$Thus, \: molar \: mass \: of \: M^{2+} =37.2\times 2=74.4$$ (Mol. wt. $$=$$ Eq. wt./valency)$$Thus, \: molar \: mass \: of \: MCl_2=74.4 + 71 = 145.5$$Chemistry

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