Question detail

Calculate the concentration in g/dm³ of a solution containing 5 g of solute in 0.5 dm³ of solution.

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

Show answer Topic hub Objective page

At a glance

MCQ

Type

practice

Style

Topic

Use of amount of substance in relation to masses of pure substances

Question

A. 10 g/dm³
B. 5 g/dm³
C. 15 g/dm³
D. 20 g/dm³

Answer

10 g/dm³

Explanation

Using the formula concentration = mass / volume, we find that the concentration of the solution is 10 g/dm³.

Common mistake

Confusing moles with mass

Students often confuse the concept of moles with mass, thinking that mass is the same as the amount of substance.

Remember that moles measure the amount of substance, while mass is measured in grams. Use the relationship between mass and moles to clarify this distinction.

Related flashcards

Flashcard 1 of 5

Press Space to flip, arrows to move