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How many moles of magnesium phosphate, M...

How many moles of magnesium phosphate, `Mg_(3)(PO_(4)_(2)` will contain 0.25 mole of oxygen atoms?

A

`1.25xx10^(-2)`

B

`2.5xx10^(-2)`

C

`0.02`

D

`3.125xx10^(-2)`

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The correct Answer is:
D
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