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JEE Main202229 Jun 2022Evening ShiftPhysicsKinetic Theory of GasesActual

A vessel contains 16 g of hydrogen and 128 g of oxygen at standard temperature and pressure. The volume of the vessel in cm 3 is :

Options

  1. A72 × 10 5
  2. B32 × 10 5
  3. C27 × 10 4
  4. D54 × 10 4

Correct answer

C. 27 × 10 4

Step-by-step solution

Number of moles of Hydrogen H 2 = m M = 16 2 = 8 Number of moles of oxygen O 2 = 128 32 = 4 Using ideal gas equation, P V = n R T , Where pressure P = 1   atm = 1 . 01 × 10 5   Pa   STP Putting the values, 1 . 01 × 10 5   V = 8 + 4 × 8 . 314 × 273 V = 12 × 8 . 314 × 273 1 . 01 × 10 5   m 3 = 0 . 27 × 10 6   cm 3 = 27 × 10 4   cm 3

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