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QJEEM06Chd9dd: JEE Main 2006 Chemistry - Class 11 JEEM06Chd9dd Solution: How many moles of magnesium phosphate Mg 3 (PO 4 ) 2 will…

How many moles of magnesium phosphate Mg3(PO4)2 will contain 0.25 mole of oxygen atoms?

Multiple Choice Options

  • A 1.25 × 10-2
  • B 2.5 × 10-2
  • C 0.02
  • D 3.125 × 10-2

Step-by-Step Verified Solution

In one Mg3(PO4)2 molecule no of oxygen atoms = 8

So if there is M mole of Mg3(PO4)2 molecules then no of moles of oxygen atoms is = M × 8

According to question,

M × 8 = 0.25

⇒ M = 0.03125 = 3.125 × 10-2

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