6.5 pts Question 4 Determine the bedronium ion concentration during the titration of 5.86 mL of...
Determine the hydronium ion concentration during the titration of 6.72 mL of 0.700 M ethylamine (C2H5NH2. Kb = 4.30x10-4) by 19.4 ml of 0.700 M HBr.
Question Determine the hydronium ion concentration during the titration of 7.18 mL of 0.700 Methylami ICH.NH, Kb - 4.30x104) by 32.6 ml of 0.700 M HBr.
Calculate the pH during the titration of 20.00 mL of 0.1000 M CH3COOH(aq) with 0.2000 M NaOH(aq) after 2.5 mL of the base have been added. Ka of acetic acid = 1.8 x 10-5. QUESTION 9 Calculate the pH during the titration of 30.00 mL of 0.1000 M ethylamine, C2H5NH2(aq), with 0.1000 M HCl(aq) after 26 mL of the acid have been added. Kb of ethylamine = 6.5 x 10-4. QUESTION 10 Calculate the pH during the titration of 20.00...
Determine the pH at the equivalence (stoichiometric) point in the titration of 33 mL of 0.22 M C2H5NH2(aq) with 0.16 M HCl(aq). The Kb of ethylamine is 6.5 x 10-4
(1) Determine the pH during the titration of 58.4 mL of 0.386 M hypochlorous acid (Ka = 3.5×10-8) by 0.386 M NaOH at the following points. (a) Before the addition of any NaOH (b) After the addition of 15.0 mL of NaOH (c) At the half-equivalence point (the titration midpoint) (d) At the equivalence point (e) After the addition of 87.6 mL of NaOH (2) Determine the pH during the titration of 39.1 mL of 0.369 M ethylamine (C2H5NH2 ,...
1.Determine the pH during the titration of 36.6 mL of 0.304 M ethylamine (C2H5NH2 , Kb = 4.3×10-4) by 0.304 M HI at the following points. (a) Before the addition of any HI (b) After the addition of 16.1 mL of HI (c) At the titration midpoint (d) At the equivalence point (e) After adding 51.2 mL of HI b.Determine the pH during the titration of 61.4 mL of 0.450 M nitrous acid (Ka = 4.5×10-4) by 0.450 M NaOH...
Titration of ethylamine with HCl This graph shows the titration of 35.0 mL of ethylamine solution with 0.0773 M HCl. Determine the molarity of the ethylamine solution. concentration: pH HH 11 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 vol HCl (mL)
Question 8 1 pts The titration of 5.00 mL of an HCl solution of unknown concentration requires 4.96 mL of a 0.9581 M NaOA solution to reach the equivalence point. What is the concentration of the unknown HCI solution? 0.950M 0.966 M 0.958M 23.76M
6.) Determine the pH during the titration of 34.9 mL of 0.220 M ethylamine (C2H5NH2, Kb = 4.3×10-4) by 0.220 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 12.7 mL of HNO3 (c) At the titration midpoint (d) At the equivalence point (e) After adding 52.0 mL of HNO3
Determine the volume in mL of 0.45 M HClO4(aq) needed to reach the half-equivalence (stoichiometric) point in the titration of 35.2 mL of 0.31 M CH3CH2NH2(aq). Enter your answer with one decimal place. The Kb of ethylamine is 6.5 x 10-4.