Chemistry · Oct / Nov 2021 · Paper 11 · Question 13
5070The mole and the Avogadro constant
An aqueous solution is made by dissolving 3.4 g of sodium hydroxide, NaOH, to make 500 cm³ of solution. What is the concentration, in mol / dm³, of this sodium hydroxide solution?
- A0.0068
- B0.085
- C0.17
- D6.8
As printed in the paper
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Correct answer: C. 0.17
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