(a)At 313 K,
Potassium nitrate for saturated solution of 100 grams of water = 62 g
∴ Potassium nitrate for saturated solution of 50 grams of water = 31 g
(b)Some amount of dissolved Potassium Chloride will reappear as undissolved solid as solubility of solute decreases with the decrease of temperature.
(c) Solubility of each salt at 393 K are as follows:
Potassium nitrate 32
Sodium chloride 36
Potassium chloride 35
Ammonium chloride 37
Ammonium chloride salt has the highest solubility at this temperature.
(d)Solubility of salt increases with the increase in temperature.
