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The oxide of a metal contains 40% of oxy...

The oxide of a metal contains `40%` of oxygen. The valency of metal is 2. what is the atomic weight of the metal ?

A

12

B

40

C

36

D

24

Text Solution

Verified by Experts

The correct Answer is:
D
`"48 g "O_(2)" combined with 60 g metal"`
`"8 g "O_(2)" combined with - ? = 12"`
`"eq. wt of metal = 12"`
`"At.wt"=2xx12=24`
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