Question detail

Calculate the concentration in g/dm³ of a solution containing 10 g of solute in 2 dm³ of solution.

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 masses of pure substances

Question

5 g/dm³

Concentration is calculated as mass divided by volume. Here, 10 g / 2 dm³ = 5 g/dm³.

Confusing Avogadro's Constant

Students often forget to express Avogadro's constant in standard form, writing it as 602000000000 instead of 6.02 x 10^23.

Always convert large numbers into standard form when dealing with constants like Avogadro's constant to maintain clarity and accuracy.

Flashcard 1 of 5

Press Space to flip, arrows to move