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Two element A (at.wt.75) and B(at.wt.16)...

Two element `A (at.wt.75)` and `B(at.wt.16)` combine to yield a compound. The `%` by weight of `A` in the compound was found to be `75.08`. The formula of the compound is :

A

`A_(2)B`

B

`A_(2)B_(3)`

C

`AB`

D

`AB_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`Mol.wt."of" A_(2)B_(3)=75xx2+16xx3=198`
`198 g A_(2)B_(3)=150 g A`
`:. 100 g A_(2)B_(3)=(150xx100)/(198)=75.08 gA`
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