Determine the pH during the titration of 31.7 mL of 0.371 M ethylamine (C2H5NH2, Kb =...

Determine the pH during the titration of 31.7 mL of 0.371 M ethylamine (C2H5NH2, Kb = 4.3×10-4) by 0.371 M HI at the following points. (Assume the titration is done at 25 °C.) Note that state symbols are not shown for species in this problem.

(a) Before the addition of any HI

(b) After the addition of 12.0 mL of HI

(c) At the titration midpoint

(d) At the equivalence point

(e) After adding 49.5 mL of HI

Expert Solution

queen_honey_blossom answered 2 years ago

Determine the pH during the titration of 35.9 mL of 0.280 M ammonia (NH3, Kb =...

Determine the pH during the titration of 35.9 mL of 0.280 M ammonia (NH3, Kb = 1.8×10-5) by 0.280M HCl at the following points. (Assume the titration is done at 25 °C.) Note that state symbols are not shown for species in this problem. (a) Before the addition of any HCl (b) After the addition of 13.9 mL of HCl (c) At the titration midpoint (d) At the equivalence point (e) After adding 51.7 mL of HCl

Determine the pH during the titration of 35.8 mL of 0.233 M methylamine (CH3NH2 , Kb...

Determine the pH during the titration of 35.8 mL of 0.233 M methylamine (CH3NH2 , Kb = 4.2×10-4) by 0.233 M HBr at the following points. (a) Before the addition of any HBr (b) After the addition of 13.7 mL of HBr (c) At the titration midpoint (d) At the equivalence point (e) After adding 54.1 mL of HBr

Determine the pH during the titration of 33.6 mL of 0.295 M methylamine (CH3NH2, Kb =...

Determine the pH during the titration of 33.6 mL of 0.295 M methylamine (CH3NH2, Kb = 4.2×10-4) by 0.295 M HClO4 at the following points. (Assume the titration is done at 25 °C.) Note that state symbols are not shown for species in this problem. (a) Before the addition of any HClO4 (b) After the addition of 12.4 mL of HClO4 (c) At the titration midpoint (d) At the equivalence point (e) After adding 49.1 mL of HClO4

Determine the pH during the titration of 34.6 mL of 0.350 M dimethylamine ((CH3)2NH , Kb...

Determine the pH during the titration of 34.6 mL of 0.350 M dimethylamine ((CH3)2NH , Kb = 5.9×10-4) by 0.350M HCl at the following points. (a) Before the addition of any HCl-? (b) After the addition of 14.0 mL of HCl-? (c) At the titration midpoint -? (d) At the equivalence point -? (e) After adding 50.5 mL of HCl-?

Determine the pH during the titration of 36.3 mL of 0.281 M trimethylamine ((CH3)3N, Kb =...

Determine the pH during the titration of 36.3 mL of 0.281 M trimethylamine ((CH3)3N, Kb = 6.3×10-5) by 0.281 M HBr at the following points. (Assume the titration is done at 25 °C.) Note that state symbols are not shown for species in this problem. (a) Before the addition of any HBr ? (b) After the addition of 15.7 mL of HBr ? (c) At the titration midpoint ? (d) At the equivalence point ? (e) After adding 57.7 mL...

Determine the pH during the titration of 34.9 mL of 0.331 M triethylamine ((C2H5)3N , Kb...

Determine the pH during the titration of 34.9 mL of 0.331 M triethylamine ((C2H5)3N , Kb = 5.2×10-4) by 0.331 M HNO3 at the following points. (a) Before the addition of any HNO3. _________ (b) After the addition of 13.6 mL of HNO3 _____ (c) At the titration midpoint ______ (d) At the equivalence point _______ (e) After adding 52.0 mL of HNO3 ________

Determine the pH during the titration of 38.2 mL of 0.207 M diethylamine ((C2H5)2NH, Kb =...

Determine the pH during the titration of 38.2 mL of 0.207 M diethylamine ((C2H5)2NH, Kb = 6.9×10-4) by 0.207 M HNO3 at the following points. (Assume the titration is done at 25 °C.) Note that state symbols are not shown for species in this problem. (a) Before the addition of any HNO3 _______ (b) After the addition of 14.6 mL of HNO3 ______ (c) At the titration midpoint ________ (d) At the equivalence point _______ (e) After adding 59.2 mL...

Determine the pH during the titration of 33.7 mL of 0.345 M triethylamine ((C2H5)3N, Kb =...

Determine the pH during the titration of 33.7 mL of 0.345 M triethylamine ((C2H5)3N, Kb = 5.2×10-4) by 0.345 M HI at the following points. (Assume the titration is done at 25 °C.) Note that state symbols are not shown for species in this problem. (a) Before the addition of any HI (b) After the addition of 15.0 mL of HI (c) At the titration midpoint (d) At the equivalence point (e) After adding 51.9 mL of HI

a. Calculate the pH of a 0.538 M aqueous solution of ethylamine (C2H5NH2, Kb = 4.3×10-4)...

a. Calculate the pH of a 0.538 M aqueous solution of ethylamine (C2H5NH2, Kb = 4.3×10-4) b. Calculate the pH of a 0.0473 M aqueous solution of piperidine (C5H11N, Kb = 1.3×10-3).

What is the pH at the quivalence point when 50.0 mL of 0.10 M ethylamine (C2H5NH2)...

What is the pH at the quivalence point when 50.0 mL of 0.10 M ethylamine (C2H5NH2) is titrated with 0.20 M HCLO4? (Kb of C2H5NH2 = 5.6 x 10-4) (Hint: You will need to determine the volume of HCLO4 solution used) Be sure to show ICE table.

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