JEE · NEET Previous Year Question
How many moles of magnesium phosphate, will contain 0.25 mole of oxygen atoms?
Topic: JEE PYQ
Answer: B. Full step-by-step solution below.
- A0.02
- B3.125 ×
- C1.25 ×
- D2.5 ×
Correct answer: B
Solution
(b) 1 molecule of has 8 atoms of Oxygen.mole of has 8 mole of Oxygen atoms.
Now, it is given 0.25 mole of oxygen atoms
Moles of having 0.25 mole of atoms is moles
Hence, option b is correct.
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