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
Related Chemistry GCSE answers
All answers ▸Why does graphite conduct electricity while diamond doesn't?
How do you know whether a compound is ionic or covalent and how can you find the conductivity rate for both heat and electricity?
What is the difference between exothermic and endothermic reactions?
What four factors influence the rate of reaction?