How many moles of magnesium phosphate {\Mg}_3 ( {\PO}_4) _2 will contain 0.25 mole of oxygen atoms?

Question

How many moles of magnesium phosphate  {\Mg}_3 ( {\PO}_4) _2 will contain 0.25 mole of oxygen atoms?

Examsnet · Accepted Answer

Correct Answer is : 3.125×10−2

AIEEE 2006 Solved Paper