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NEET 2022
Exam
NEET
Year
2022
Subject
Physics
Chapter
Kinetic Theory of Gases

NEET 2022 · Physics · Kinetic Theory of Gases

The volume occupied by the molecules contained in 4 . 5kg water at...

The volume occupied by the molecules contained in 4.5kg4 . 5kg water at STP, if the intermolecular forces vanish away is

Options

  1. A5.6×103m35 . 6 \times {10}^{3}{m}^{3}
  2. B5.6×10−3m35 . 6 \times {10}^{- 3}{m}^{3}
  3. C5.6m35 . 6{m}^{3}
  4. D5.6×106m35 . 6 \times {10}^{6}{m}^{3}

Correct answer

C. 5.6m35 . 6{m}^{3}

Step-by-step solution

Molecular mass of water is 18gmol−118g{mol}^{- 1}

Therefore, number of moles in 4.5kg4 . 5kg of water will be,

n=450018=250n = \dfrac{4500}{18} = 250

Volume occupied by one mole of gas at STP is 22.422 . 4 Litre

Therefore, volume occupied by 250mol250mol of water will be

V=22.4×10−3×250V = 22 . 4 \times {10}^{- 3} \times 250

⇒V=5.6m3⇒ V = 5 . 6{m}^{3}

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