MCQ
The equivalent weight of a metal is $4.5$ and the molecular weight of its chloride is $80$. The atomic weight of the metal is
- A$18$
- ✓$9$
- C$4.5$
- D$36$
✓
Answer
Correct option: B.
$9$
b
Molecular weight of $MCl_x$,
Molecular weight of $MCl_x$,
${80=x(4.5+35.5)}$
${80=40 x}$
${x=2}$
Atomic weight $=$ Equivalent weight $\times$ Valency
$=4.5 \times 2=9$
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