A 26.2 mL sample of 0.253 M trimethylamine, (CH3)3N, is titrated with 0.306 M hydroiodic acid. At the titration midpoint, the pH is

A 20.8 mL sample of 0.279 M ethylamine, C2H5NH2, is titrated with 0.253 M hydrochloric acid. After adding 9.79 mL of hydrochloric acid, the pH is

A buffer solution consisting of 0.50 mol L-1 acetic acid, CH3COOH and 0.50 mol L-1 sodium acetate, CH3COONa has a pH of 4.74. What will be the pH of the buffer solution if we add 0.020 mol of solid NaOH to 1.0 L of the solution?

la) A 26.9 mL sample of 0.261M dimethylamine, (CH3)2NH, is titrated with 0.216 M hydrobromic acid. After adding 51.4 mL of hydrobromic acid, the pH is 1b) A 22.3 mL sample of 0.207 M diethylamine, (C2H5)2NH, is titrated with 0.377 M hydrobromic acid. At the titration midpoint, the pH is

A 26.7 mL sample of 0.292 M ethylamine, C₂H5NH2, is titrated with 0.322 M perchloric acid. (1) Before the addition of any perchloric acid, the pH is (2) After adding 9.37 mL of perchloric acid, the pH is (3) At the titration midpoint, the pH is (4) At the equivalence point, the pH is (5) After adding 35.8 mL of perchloric acid, the pH is Use the Tables link on the toolbar for any equilibrium constants that are required.

A 27.4 mL sample of 0.273 M trimethylamine, (CH3)3N, is titrated with 0.320 M hydroiodic acid. At the equivalence point, the pH is Use the Tables link in the References for any equilibrium constants that are required.

a buffer has been prepared using 0.1 moles of sodium acetate (NaAc)  and 0.1 moles of acetic acid (HAc), which has been added to 100 ml of water. What is the pH of the solution?

A 22.6 mL sample of 0.356 M ethylamine, C₂H5NH₂, is titrated with 0.279 M hydroiodic acid. After adding 11.2 mL of hydroiodic acid, the pH is

A buffered solution contains .1 mil sodium acetate and .1 mole acetic acid. It's pH is 4.7. One gram of NaOH (.025 mol) is added to the buffer. What is the pH of the solution after the NaOH has been dissolved

A 27.2 mL sample of 0.383 M triethylamine, (C2H5)3N, is titrated with 0.371 M nitric acid.After adding 12.6 mL of nitric acid, the pH is .