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What is the mass of: (a) 0.2 mole of ...

What is the mass of:
(a) 0.2 mole of oxygen atoms?
(b) 0.5 mole of water molecules?

Text Solution

Verified by Experts

The correct Answer is:
(a) 3.2 g
(b ) 9.0 g
(a) Mass of one mole of oxygen atoms = 16g
Then, mass of 0.2 mole of oxygen atoms = 0.2 × 16g = 3.2g
(b) Mass of one mole of water molecule = 18g
Then, mass of 0.5 mole of water molecules = 0.5 × 18g = 9g
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Knowledge Check

  • What is the mass of 0.5 mole of ozone molecule?

    A
    8 g
    B
    16 g
    C
    24 g
    D
    48 g

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