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

What is the concentration of a solution containing 2g of NaOH in 100cm3 of solution? [Na = 23, O =16, H = 1]
A. 0.40 moldm−3
B. 0.50 moldm−3
C. 0.05 moldm−3
D. 0.30 moldm−3

Correct Option: Answer is B

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