What is the concentration of a solution containing 2g of NaOH in 100cm3 of solution? [Na = 23, O =16, H = 1]
- 0.40 moldm\(^{-3}\)
-
0.50 moldm\(^{-3}\)
- 0.05 moldm\(^{-3}\)
- 0.30 moldm\(^{-3}\)
The correct answer is: B
Explanation
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