Q41 / 180 · KCET 2009 · Chemistry

A bivalent metal has an equivalent mass of 32 . The molecular mass of the metal nitrate is

A
182
B
168
C
192
Correct answer
D
188

Solution

Atomic mass of the metal $=32 \times 2=64$ Formula of metal nitrate $=\mathrm{M}\left(\mathrm{NO}_{3}\right)_{2}$ $\therefore$ Molecular mass $=64+28+96=188$

Hence, the correct answer is option: 'D'.

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