If the equivalent wt of a trivalent metal is 37.7,the molecular weight of its chloride is?

1 Answer
Ernest Z.
Mar 28, 2018

The molecular mass of the chloride is 219.4 u.

Explanation:

If the metal #"X"# is trivalent, Its atomic mass is three times its equivalent weight,

#"Atomic mass of X = 3 × 37.7 u = 113.1 u"#

One atom of metal #"X"# will react with three chlorine atoms to form #"XCl"_3#.

#"Atomic mass" = "(113.1 + 3×35.45) u = (113.1 + 106.35) u = 219.4 u"#

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