A. 0.40 moldm−³
B. 0.50 moldm−³
C. 0.05 moldm−³
D. 0.30 moldm−³
Correct Answer:
Option B – 0.50 moldm−³
What is the concentration of a solution containing 2g of NaOH in 100cm³ of solution? [Na = 23, O =16, H = 1]
![What volume of 0.20 mol dm‾³ NaOH solution would yield 5.0g of NaOH on evaporation to dryness? [NaOH = 40g mol‾¹]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "What volume of 0.20 mol dm‾³ NaOH solution would yield 5.0g of NaOH on evaporation to dryness? [NaOH = 40g mol‾¹]")
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