A sodium hydroxide solution is made by dissolving 3.5 g of sodium hydroxide with 500 cm^3 of water. What is the concentration of the solution in g dm^-1?

3.5 g of sodium500 cm3 of water is 0.5 dm33.5 / 0.5 = 7 g dm-3

AH
Answered by Anna H. Chemistry tutor

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