Question detail
A solution has a concentration of 2.5 mol/dm3 and a volume of 0.5 dm3. Calculate the amount of solute in moles.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Using concentrations of solutions in mol/dm3 (chemistry only) (HT only)
Question
A solution has a concentration of 2.5 mol/dm3 and a volume of 0.5 dm3. Calculate the amount of solute in moles.
Answer
1.25 mol
Explanation
This question tests the ability to apply the formula for calculating moles from concentration and volume. The student must correctly rearrange and substitute values into the formula.
Common mistake
Misunderstanding Rearrangement
Students often forget to isolate the variable they need when rearranging concentration equations, leading to incorrect formulas.
Practice isolating the variable step-by-step, ensuring to perform the same operation on both sides of the equation.
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