Calculate the pH of the following solutions:1) 0.0624 molar piperazine 2)A 0.0850 molar solution of the intermediate (HA) form of threonine. 3)A 0.0250 molar solution of potassium carbonate. 4. Calculate the pH of the following solutions:a. A solution prepared by combining 25.00 mL of 0.0486 molar sodium cyanide with 15.00 mL of 0.0876 molar HCl.   b. A solution prepared by combining 35.00 mL of 0.0728 molar hypochlorous acid with 12.00 mL of 0.0967 molar NaOH. 5. Consider the titration of 30.00 mL of 0.0500 molar ammonia with 0.0250 molar HCl.a. What is the pH of this solution at the equivalence point? b. Using the table of indicators in the text, choose the ideal indicator to detect this endpoint. Explain your choice.

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.