22. ( Carbonic acid, H₂CO3, is a diprotic acid with Ka₁ = 4.4 * 107 and Ka2 = 4.7 * 10-¹¹. The K₂1 and K₂2 chemical equations for carbonic acid are given below: H₂CO3(aq) <----> H+ (aq) + HCO3(aq) HCO3(aq) <----> H+ (aq) + CO3²- (aq) a. What is the dominate species at pH = 5.4? b. What is the dominate species at pH = 8.2? c. What is the dominate species at pH = 11.3?

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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.