A solution containing 50.0 mL of 0.180 M NH3 (Kb = 1.77 x 10¯5) is being titrated with 0.360 M HCl. Calculate the pH: (a) initially (b) after the addition of 5.00 mL of HCl (c) after the addition of a total volume of 12.5 mL HCl

A solution is made by mixing 0.400M in formic acid, HCOOH, and 1.00M in sodium formate, HCOONa? Ka = 1.80 * 10 ^ - 4 The total volume is 1.00L. What is the pH of this solution?

Without detailed calculation and RICE table, determine whether the following solutions are acidic or basic, buffer or not buffer.Explain your answers by identifying the major speciesand the dominate chemical reaction. (a)1M NaCl + 1M HCl in equal amounts (b)1M NH4Cl + 1M NH3in equal amounts (c)1M Na2C2O4+ 1M HCl in equal amounts  (d)2M H3PO4+ 3M NaOH in equal amounts

A 23.0−mL solution of 0.100 M CH3COOH is titrated with a 0.200 M KOH solution. Calculate the pH after the following additions of the KOH solution: (a) 10.0 mL (b) 11.5 mL (c) 15.0 mL

Determine the pH during the titration of 62.0 mL of 0.342 M formic acid (K,- 1.8x104) by 0.342 M KOH at the following points. (Assume the titration is done at 25 °C.) (a) Before the addition of any KOH (b) After the addition of 15.0 mL of KOH (c) At the half-equivalence point (the titration midpoint) (d) At the equivalence point (e) After the addition of 93.0 mL of KOH

Be sure to answer all parts. For the titration of 40.0 mL of 0.150 M acetic acid with 0.100 M sodium hydroxide, determine the pH when: (a) 40.0 mL of base has been added. (b) 60.0 mL of base has been added. (c) 80.0 mL of base has been added.

200 mL of 0.1 M HCl is added to 400 mL of 0.1 M sodium acetate and water is added to give a final volume of 1 l (liter). What is the pH of the final solution?

Calculate the pH of each solution that is buffered.(a) 0.100 L of 0.25 M NH4Cl + 0.050 L of 0.25 M NaOH (b) 0.100 L of 0.25 M NH3 + 0.050 L of 0.25 M HCl

Calculate the pH during the titration of 30.00 mL of 0.1000 M KOH with 0.1000 M HBr solution after the following additions of acid:(a) 6.00 mL (b) 29.80 mL (c) 35.00 mL

20) What will be the pH (aq., 25 °C) of 250.0 mL of a solution of 0.545 M HCOOH and 0.628 M HCOOK, after 5.000 mL of 5.00 M LİOH has been added to it? К НСООН — 1.80 х 10* b) 4.67 е) 2.86 c) 3.96 f) 4.74 a) 7.66 d) 3.25