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Concentration calculation (5 marks)

GCSE · Combined Science · Edexcel · CC1 — Key concepts in chemistry

Question

Question: A student dissolves 8.0 g of sodium hydroxide (NaOH) in water and makes the solution up to 250 cm³.

(a) Calculate the concentration in g/dm³. (2) (b) HT only: Calculate the concentration in mol/dm³. (Aᵣ: Na = 23, O = 16, H = 1.) (3)

5 marks · take your time before peeking.

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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.