Potassium nitrate is extremely soluble in water.  The solubility of potassium nitrate is 60 g KNO3 per 100 g of water at 42oC.  1.  If 35 g of KNO3 is dissolved in 100 g of water at the same temperature, would the solution be saturated or unsaturated?  Explain your answer.   2.  If 15 g of KNO3 is dissolved in 50 g of water at the same temperature, would the solution be saturated or unsaturated?  Explain your answer.  Can any additional KNO3 be dissolved in the given amount of water assuming the temperature does not change?  If so, calculate the amount of additional potassium nitrate that can be dissolved.

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.