A 20.8 mL sample of 0.289 M ethylamine, C2H5NH2, is titrated with
0.271 M hydroiodic acid.
At the equivalence point, the pH is
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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 29.9 mL sample of 0.358 M ethylamine, CH3NH2, is titrated with 0.271 M hydroiodic acid. After adding 17.0 mL of hydroiodic acid, the pH is Use the Tables link in the References 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
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) 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 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.
A 24.7 mL sample of 0.304 M ethylamine, C2H5NH2, is titrated with 0.249 M hydrochloric acid. At the equivalence point, the pH is ?? Use the Tables link in the References for any equilibrium constants that are required. please make the answer right and double check because i cant afford to get this wrong, thank you.
A 24.1 mL sample of 0.215 M ethylamine, C2H5NH2, is titrated with 0.363 M nitric acid The pH before the addition of any nitric acid is required Use the Tables link in the References for any equilibrium constants that are A 24.1 mL sample of 0.215 M ethylamine, C2H5NH2, is titrated with 0.363 M nitric acid The pH before the addition of any nitric acid is required Use the Tables link in the References for any equilibrium constants that are
Find the pH of the solution obtained when 32 mL of 0.087 M ethylamine, C2H5NH2, is titrated to the equivalence point with 0.15 M HCl. The value of Kb for ethylamine is 4.7 x 10-4. (in 3 s.f.)
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