Question

How many moles of magnesium phosphate will contain 0.25 moles of oxygen atoms

Answer 1

1 mole of Mg3(PO4)2 contains 8 moles of Oxygen
Then,
8 moles of oxygen is contained by 1 mole of Mg3(PO4)2.
0.25 moles of oxygen is contained by [ (0.25*1) ÷ 8 ] = 25 ÷ 800 = 0.03125 moles of Mg3(PO4)2.
So, your answer is 0.03125 moles

Answer 2

Explanation:

step by step explanation:

here given oxygen mole

so 8 mole of oxygen:-1 mole Mg3(po4)2

0.25 mole of oxygen:-?

0.25×1÷8

=0.03125

=3.125×10^-2