PYQ Vault

Volume occupied by a given number of moles of a gas at STP

The same question, asked 3 times: 15 May 2023 S2*, 11 May 2024 S1*, 19 Apr 2025 S1. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    15 May 2023 S2

    55
    What is the volume occupied by 2.5 mol of ammonia gas at STP?

    Tap an option to check your answer.

  2. Question 2

    11 May 2024 S1

    76
    What is the volume in dm3^3 occupied by 3 mol of ammonia gas at STP?

    Tap an option to check your answer.

  3. Question 3

    19 Apr 2025 S1

    74
    What is the volume occupied by 0.5 mol of CO2CO_{2} at STP?

    Tap an option to check your answer.