Question detail

Calculate the volume of gas produced from 4 moles at room temperature and pressure.

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Use of amount of substance in relation to volumes of gases (chemistry only) (HT only)

Question

  1. A. 96 dm3
  2. B. 72 dm3
  3. C. 48 dm3
  4. D. 84 dm3

Answer

96 dm3

Explanation

One mole of gas occupies 24 dm3 at room temperature and pressure. Therefore, 4 moles occupy 4 x 24 dm3 = 96 dm3.

Common mistake

Incorrect Volume Calculation

Students often forget to convert volumes from cm3 to dm3 when calculating gas volumes.

Always convert cm3 to dm3 by dividing by 1000 before using the volume in calculations.

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