Reference no: EM132431747

Solubility g/100 g 33.3 37.2 41.4 50.4 55.2 60.2 71.3

Temperature °c 10 20 30 50 60 70 90

1. A solution is made by dissolving 38 g of salt in 100 g of water at 60 °c. State three ways to make this solution saturated and state the quantities of substances required for the change.
2. A solution is made by dissolving 40 g of salt in 100 g of water at 70 °c. This solution is then cooled to 10 °c and crystals are seem to form. Describe what you observe and at what temperature this first occurs. What mass of crystals will form and settle out of solution.