What is the concentration of a solution containing 2g of NaOH in 100cm³ of solution? [Na = 23, O = 16, H = 1]

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A. 0.40 mol dm-³
B. 0.50 mol dm-³
C. 0.05 mol dm-³
D. 0.30 mol dm-³

Correct Answer:

Option B – 0.50 mol dm-³

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