3.4 Using concentrations of solutions in mol/dm3

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Question 27

A student prepares a solution of sodium hydroxide, $NaOH\text{NaOH}$ .

Relative formula mass ( $M_r$ ): $NaOH=40\text{NaOH} = 40$

The student dissolves 2.00 g of sodium hydroxide in water to make 250 cm³ of solution.

Calculate the amount, in $mol\text{mol}$ , of sodium hydroxide the student used.

[2]

Calculate the concentration of the solution in $mol/dm3\text{mol/dm}^3$ .

[2]

Markscheme

3.4 Using concentrations of solutions in mol/dm3 Questions

GCSE
Chemistry
3.4 Using concentrations of solutions in mol/dm3

106 exam-style questions on AQA GCSE Chemistry 3.4 Using concentrations of solutions in mol/dm3, covering 3.4.1 Concentration in mol/dm3. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank·3.4 Using concentrations of solutions in mol/dm3