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A compound made up of two elements A and...

A compound made up of two elements A and B is found to contain 25% A(atomic mass=12.5)and 75%B(atomic mass=37.5). The simplest formula of the compound is

A

AB

B

`AB_2`

C

`AB_3`

D

`A_3B`

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The correct Answer is:
A
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