In: Chemistry
1). A 27.1 mL sample of 0.342 M trimethylamine, (CH3)3N, is titrated with 0.336 M hydrochloric acid. The pH before the addition of any hydrochloric acid is _____
2). A 20.8 mL sample of 0.305
M dimethylamine,
(CH3)2NH, is titrated with
0.255 M hydroiodic acid.
At the equivalence point, the pH is ______
3). A 26.2 mL sample of 0.251
M diethylamine,
(C2H5)2NH, is
titrated with 0.215 M hydrobromic
acid.
After adding 42.8 mL of hydrobromic
acid, the pH is _____