Once upon a time, Tricia and her sister Jillian are doing titration to assess the molarity of the sample's total acid content. Using the pH measurements to report acidity, they were ordered to study a clear aqueous solution of an unknown monoprotic acid. They decided to use two methods of experiments to gather essential data for their Chemistry Class. The first method is through a pH strip. To estimate the pH of the sample, Tricia used a pH strip. Tricia collected 1 mL of the sample, which came out to have a pH of around 3.3. Furthermore, Tricia made a new setup in which 1 mL of the same sample was diluted with 9 mL of water, and the pH taken was now around 3.8. The second method is Titration, and Jillian used this method. Jillian prepared a 10 mL aliquot of the sample and diluted it with 25mL of distilled water. After this, Jillian added 2 drops of phenolphthalein, and it was titrated 3.54 mL of 0.048 mmol standardized NaOH to the endpoint. 1. Determine of the unknown is a strong acid a weak acid by comparing the two methods used. Explain your answer briefly. 2. Rationalize the two pH readings in the pH strip test before and after dilution. Is this to be expected? If it will help, the link below is a related question https://www.bartleby.com/questions-and-answers/the-first-method-is-through-a-ph-strip.-to-estimate-the-ph-of-the-sample-tricia-used-a-ph-strip.-tri/fe52bf91-95a8-42e7-af35-f8e43e888b68
Ionic Equilibrium
Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
Arrhenius Acid
Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
Bronsted Lowry Base In Inorganic Chemistry
Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
Once upon a time, Tricia and her sister Jillian are doing titration to assess the molarity of the sample's total acid content. Using the pH measurements to report acidity, they were ordered to study a clear aqueous solution of an unknown monoprotic acid.
They decided to use two methods of experiments to gather essential data for their Chemistry Class.
The first method is through a pH strip. To estimate the pH of the sample, Tricia used a pH strip. Tricia collected 1 mL of the sample, which came out to have a pH of around 3.3. Furthermore, Tricia made a new setup in which 1 mL of the same sample was diluted with 9 mL of water, and the pH taken was now around 3.8.
The second method is Titration, and Jillian used this method. Jillian prepared a 10 mL aliquot of the sample and diluted it with 25mL of distilled water. After this, Jillian added 2 drops of phenolphthalein, and it was titrated 3.54 mL of 0.048 mmol standardized NaOH to the endpoint.
1. Determine of the unknown is a strong acid a weak acid by comparing the two methods used. Explain your answer briefly.
2. Rationalize the two pH readings in the pH strip test before and after
dilution. Is this to be expected?
If it will help, the link below is a related question
https://www.bartleby.com/questions-and-answers/the-first-method-is-through-a-ph-strip.-to-estimate-the-ph-of-the-sample-tricia-used-a-ph-strip.-tri/fe52bf91-95a8-42e7-af35-f8e43e888b68
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