A Simple Note on Mixture of Two Weak Monoprotic Acids

Acids generally donate many protons. However, in the case of monoprotic acids, they donate only one proton or a hydrogen atom. The acids that are capable of giving more than one proton are known as polyprotic acids. There are fluctuations recorded in the electrical charge of a monoprotic acid during transfer. Any acid can be called monoprotic so long as they have only one hydrogen. As only one hydrogen atom or a proton is released during titration, the calculations involved in determining its pH value are easy and not very complicated. That is why the pH of the mixture formula has been discussed. 

A mixture of Two Weak Monoprotic Acids

Weak monoprotic acids include hydrofluoric acid and acetic acid. The mixture of two weak monoprotic acids results in partial dissociation. As each monoprotic acid tends to donate only one proton or a hydrogen atom, when both are mixed, will dissociate partially. In the solution that is obtained, both the acids contribute equally to the concentration of protons in the aqueous solution. The pH can be solved for such an occasion by – log [H+]. The pH of the mixture formula for this titration can be derived from calculating the average concentrations of hydrogen that are provided in the solution by the parts used. By dividing the concentration (hydrogen ions) by the volume of the solution, the pH of the mixture formula can be obtained. 

The pH of Mixture Formula

The pH of the Mixture formula is derived by calculating the total concentration of the solutions where two weak monoprotic acids are mixed and then dividing it by the volume of the solution. That yields a result in – log value which is the pH value. 

The pH of the Mixture of Acid and Base

An acid is a chemical substance that has been defined in chemistry as a substance when brought in contact with a litmus paper changes its colour to red and is generally corrosive. It has a pH of less than 7. The base is a substance in chemistry that turns red litmus blue and is bitter in taste and slippery. It yields salts when it reacts with acids. The outcome of the pH mixture of acid and base is neutralization which means the pH value is equal to 7. Whether the solution that is produced is acidic or a base depends on the concentration. For example, acids are dissociated into H+ ions and bases give off OH–. Self-ionizing process of water is an example of this. 

The pH of Solution Formula

The pH of the Solution Formula is: pH = -log [H3O+]. So, hydronium concentration in the aqueous solution (molarity being the unit) is needed to determine the pH of a solution. 

Conclusion

The pH of mixtures refers to the concentration of hydrogen ions that are present in a given solution. pH is therefore a logarithm with measurement units of moles and based on concentrations. pH calculations in a mixture are done based on the components that make up the solutions. Information about the components is therefore an important aspect of calculating the pH of mixtures.