What is the concentration of a solution containing 2g of NaOH in 100cm3 of solution?

[Na = 23, O = 16, H = 1]

  • A 0.40 mol dm-3
  • B 0.50 mol dm-3
  • C 0.05 mol dm-3
  • D 0.30 mol dm-3
jamb 2011chemistry

The correct answer is B. 0.50 mol dm-3

No explanation given
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