Question detail

Calculate the volume of 2 moles of a gas 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

48 dm3

At room temperature and pressure, one mole of gas occupies 24 dm3. Therefore, 2 moles occupy 2 x 24 dm3 = 48 dm3.

Incorrect Unit Usage

Students often forget to convert volumes from cm3 to dm3 when substituting values into gas volume equations.

Always check if the volume is in dm3; if it's in cm3, convert it by dividing by 1000 before substituting into the equation.

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