When HNO2 is dissolved in water it partially dissociates according to the equation HNO2 = H+ + NO,.A solution is prepared that contains 7.050 g of HNO2 in 1.000 kg of water. Its freezing point is found to be -0.2929 °C.

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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.