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How many moles of magnesium phosphate,Mg...

How many moles of magnesium phosphate,`Mg_3(PO_4)_2` will contain 0.25 mole of oxygen atoms?

A

`1.25 xx10^(-2)`

B

`2.5xx10^(-2)`

C

`0.02`

D

`3.125xx10^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
D
1 mole of Mg `(PO _(4))_(2) ` contains 6 mole of `Mg _(3) (PO_(4))_(2)`
` 0.25 ` mole of oxygen atom `=(1)/(8) xx0.25 ` mole of `Mg _(3) (PO_(4))_(2)`
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