Question detail
In a gas-volume calculation, if the volume of a gaseous reactant is known, how can you find the volume of the gaseous product?
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
- A. Use the ideal gas law.
- B. Apply the conservation of mass.
- C. Use the mole ratio from the balanced equation.
- D. Convert the volume to moles first.
Answer
Use the mole ratio from the balanced equation.
Explanation
To find the volume of a gaseous product, you can use the mole ratio from the balanced equation to relate it to the known volume of the reactant.
Common mistake
Misunderstanding Ratios in Gas-Volume Calculations
Students often confuse the ratios of gases in a balanced equation, leading to incorrect volume calculations.
Carefully analyze the coefficients in the balanced equation to determine the correct mole ratios before calculating the volumes.
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