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The atomic mass of a metal M is 56, then...

The atomic mass of a metal M is 56, then the empirical formulae of its oxide containing 70% metal

A

`MO`

B

`M_(2)O_(3)`

C

`M_(3)O_(2)`

D

`M_(3)O_(5)`

Text Solution

Verified by Experts

The correct Answer is:
B
`(70)/(56): (30)/(16) = 3:2`
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