Which of the following will reduce the solubility of NaF (compared to its solubility in pure water)? I. Dissolving NaF in a solution containing NaCl II. Dissolving NaF in the solution buffered at pH=8.00 III. Dissolving NaF in the solution buffered at pH =6.00 A) I only  B) II only  C) III only  D) I and III  E) I and II  F) I, II and III Note: After solving could you please give similar problem example, if it's ok. Thank you in advance

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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.