Note AcademyNote Academy
Start

Chemistry · May / June 2024 · Paper 11 · Question 11

5070The mole and the Avogadro constant

Four solutions of NaOH are made by dissolving solid NaOH in distilled water. Which method makes a solution with a concentration of 0.10 mol / dm³? [Mᵣ: NaOH, 40]

  1. A1.6 g of NaOH(s) to make 400 cm³ of solution
  2. B3.2 g of NaOH(s) to make 250 cm³ of solution
  3. C4.0 g of NaOH(s) to make 100 cm³ of solution
  4. D8.0 g of NaOH(s) to make 500 cm³ of solution

As printed in the paper

Show the answer

Correct answer: A. 1.6 g of NaOH(s) to make 400 cm³ of solution

Sit this whole paper →More on The mole and the Avogadro constant

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.