When 10g of sodium hydroxide is dissolved in 1000cm³ of water; the sodium formed is approximately. [Na = 23, H = 1, O = 16]

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A. 0.01 mol dm−³
B. 0.10 mol dm−³
C. 0.25 mol dm−³
D. 0.50 mol dm−³

Correct Answer:

Option C – 0.25 mol dm−³

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