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A sample of an oxide of an unknown metal...

A sample of an oxide of an unknown metal `M_(1)` contains 46 g of M and 16 g of O. If the formula of the metal oxide is `M_(2)O`, what is the atomic weight of the metal M?

A

23

B

39

C

46

D

63.5

Text Solution

Verified by Experts

The correct Answer is:
A
`(46)/(M) = 2 rArr M = 23`
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  • The oxide of a metal contains 40% of oxygen. The valency of metal is 2. what is the atomic weight of the metal ?

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