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JAMB Chemistry 1990 Question 5

Question 5

Gas Laws

If a gas occupies a container of volume 146 cm3 at 18°C and 0.971 atm, its volume in cm3 at s.t.p is

  1. A.133
  2. B.146
  3. C.266
  4. D.292
Show the answer and explanation

Answer: A (133)

Explanation

Use P1V1/T1 = P2V2/T2: V2 = 0.971 × 146 × 273 ÷ (1 × 291) ≈ 133 cm3.