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To determine the pH of polyprotic acids, one can use the stepwise dissociation constants of each acidic proton and calculate the concentrations of the acid and its conjugate base at each stage of dissociation. By considering the equilibrium concentrations of the acid and its conjugate base, one can then use the Henderson-Hasselbalch equation to calculate the pH of the solution.
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How can one determine whether a substance is a strong or weak acid?
One can determine whether a substance is a strong or weak acid by looking at its ability to fully dissociate in water. Strong acids completely dissociate into ions in water, while weak acids only partially dissociate. This can be measured by looking at the pH level of the solution - strong acids have a lower pH than weak acids.
How can one determine the acidity of organic compounds?
One can determine the acidity of organic compounds by measuring their pH level using a pH meter or pH paper. Acids have a lower pH value, typically below 7, while bases have a higher pH value, typically above 7. Additionally, one can also use indicators or titration methods to determine the acidity of organic compounds.
How can one determine the pH of a strong acid?
To determine the pH of a strong acid, you can use a pH meter or pH paper. Simply dip the pH meter probe or pH paper into the acid solution and read the pH value displayed on the meter or color on the paper. Strong acids have a pH value below 7, indicating acidity.
How can you determine if a substance is a weak acid?
To determine if a substance is a weak acid, you can test its pH level. Weak acids have a pH level slightly below 7, indicating they release fewer hydrogen ions compared to strong acids.
What is used to determine the pH of acid and bases?
A pH meter or pH indicator paper is commonly used to determine the pH of acids and bases. pH meters provide a numerical measurement of pH, while pH indicator paper changes color based on the pH level to give a visual indication.
