A) A 27.5 mL sample of 0.223 M
ethylamine,
C2H5NH2, is
titrated with 0.301 M hydrobromic
acid.
After adding 29.5 mL of hydrobromic
acid, the pH is .
B) A 24.5 mL sample of
0.351 M diethylamine,
(C2H5)2NH, is
titrated with 0.302 M hydroiodic
acid.
At the titration midpoint, the pH is
A) A 27.5 mL sample of 0.223 M ethylamine, C2H5NH2, is titrated with 0.301 M hydrobromic...
A 22.8 mL sample of 0.242 M ethylamine, C2H5NH2, is titrated with 0.273 M hydrobromic acid. At the equivalence point, the pH is Use the Tables link in the References for any equilibrium constants that are required.
1. A 23.6 mL sample of 0.391 M ethylamine, C2H5NH2, is titrated with 0.315 M nitric acid. At the equivalence point, the pH is . Ethylamine Kb = 4.3X10-4 Nitrous acid Ka1 = 4.5x10-4 2. A 29.1 mL sample of 0.336 M ethylamine, C2H5NH2, is titrated with 0.276 M hydrochloric acid. After adding 52.4 mL of hydrochloric acid, the pH is . hydrochloric acid Ka1 = 3.5x10-8 Ethylamine Kb = 4.3X10-4
A 27.2 mL sample of 0.270 M diethylamine, (C,Hz),NH, is titrated with 0.217 M hydroiodic acid. At the titration midpoint, the pH is A 22.6 mL sample of 0.215 M diethylamine, (C2H3)2NH, is titrated with 0.377 M hydroiodic acid. The pH before the addition of any hydroiodic acid is
1) A 27.7 mL sample of 0.242 M diethylamine, (C2H5)2NH, is titrated with 0.252 M perchloric acid. After adding 40.2 mL of perchloric acid, the pH is? 2) A 24.8 mL sample of 0.369 M ammonia, NH3, is titrated with 0.253 M hydrobromic acid. At the equivalence point, the pH is?
A 27.9 mL sample of 0.289 M dimethylamine, (CH3)2NH, is titrated with 0.286 M hydrobromic acid. (1) Before the addition of any hydrobromic acid, the pH is (2) After adding 12.0 mL of hydrobromic acid, the pH is (3) At the titration midpoint, the pH is (4) At the equivalence point, the pH is (5) After adding 45.1 mL of hydrobromic acid, the pH is Use the Tables link on the toolbar for any equilibrium constants that are required.
A 26.5 mL sample of 0.258 M triethylamine, (C2H5)3N, is titrated with 0.289 M hydroiodic acid. (1) Before the addition of any hydroiodic acid, the pH is (2) After adding 10.5 mL of hydroiodic acid, the pH is (3) At the titration midpoint, the pH is (4) At the equivalence point, the pH is (5) After adding 34.8 mL of hydroiodic acid, the pH is
A 21.5 mL sample of 0.367 M dimethylamine, (CH3)2NH, is titrated with 0.269 M hydroiodic acid. (1) Before the addition of any hydroiodic acid, the pH is (2) After adding 12.5 mL of hydroiodic acid, the pH is (3) At the titration midpoint, the pH is (4) At the equivalence point, the pH is (5) After adding 46.1 mL of hydroiodic acid, the pH is Ka of (CH3)2NH is 5.9x10^-4
1.) A 25.0 mL sample of 0.377 M methylamine, CH3NH2, is titrated with 0.289 M perchloric acid. The pH before the addition of any perchloric acid is ___________ 2.) A 28.1 mL sample of 0.344 M ethylamine, C2H5NH2, is titrated with 0.223 M nitric acid. At the titration midpoint, the pH is
A 28.7 mL sample of 0.286 M diethylamine, (C2H5)2NH, is titrated with 0.383 M hydrobromic acid. At the equivalence point, the pH is ? Use the Tables link in the References for any equilibrium constants that are required.
A 28.7 mL sample of 0.383 M ethylamine, C2H5NH2, is titrated with 0.213 M nitric acid. After adding 21.5 mL of nitric acid, the pH is . Use the Tables link in the References for any equilibrium constants that are required.