C3: Quiz 7
1) What is the concentration if 24 grams of hydrogen chloride is dissolved in 0.3 dm3 of water?
2) What mass of a salt do I need to add to a solution that has a volume of 0.4 dm3 and a concentration of 56 g/dm3?
3) What is the concentration if 54 grams of zinc chloride is dissolved in 600 cm3?
4) What mass of a salt do I need to add to a solution that has a volume of 750 cm3 and a concentration of 42 g/dm3?
5) I am going to dissolve 14.4 grams of a salt in water. What volume of water should I dissolve the 14.4 grams of salt in if I want the solution to have a concentration of 36 g/dm3? Give your answer in dm3.
6) I am going to dissolve 1.54 grams of a salt in water. What volume of water should I dissolve the 1.54 grams of salt in if I want the solution to have a concentration of 44 g/dm3? Give your answer in cm3.
7) Find the mass of salt that I need to dissolve in 40 cm3 of water to give the solution a concentration of 56 g/dm3.
8) Calculate the concentration of a solution that has 0.5 grams of a salt dissolved in 25 cm3 of water.