Solve for the dissolved oxygen content of the water sample in Day 1 if the Na2S₂O3 titrant (0.1152 M) consumed were 10.28 mL, 9.84 mL and 10.02 mL. The volume of the water sample obtained is 30 mL. Assume that the procedure for BOD determination experiment done here is same to our class experiment. A 308 ppm B 316 ppm 306 ppm 312 ppm D

Solve for the dissolved oxygen content of the water sample in Day 1 if the Na2S₂O3 titrant (0.1152 M) consumed were 10.28 mL, 9.84 mL and 10.02 mL. The volume of the water sample obtained is 30 mL. Assume that the procedure for BOD determination experiment done here is same to our class experiment. A 308 ppm B 316 ppm 306 ppm 312 ppm D

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter14: Equilibria In Acid-base Solutions

Section: Chapter Questions

Problem 74QAP: Fifty cm3 of 1.000 M nitrous acid is titrated with 0.850 M NaOH. What is the pH of the solution (a)...

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Which of the indicators in Fig. 14-8 could be used for the titrations in Exercises 61 and 63?
Fifty cm3 of 1.000 M nitrous acid is titrated with 0.850 M NaOH. What is the pH of the solution (a) before any NaOH is added? (b) at half-neutralization? (c) at the equivalence point? (d) when 0.10 mL less than the volume of NaOH to reach the equivalence point is added? (e) when 0.10 mL more than the volume of NaOH to reach the equivalence point is added? (f) Use your data to construct a plot similar to that shown in Figure 14.10 (pH versus volume NaOH added).
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MISSED THIS? Read Section 18.6 (Pages 823-826); Watch IWE 18.12. Determine the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solution on the left. 9.0x10-2 M Cala; K2SO4 Express your answer using two significant figures. [K₂SO4]= ΜΕ ΑΣΦ Submit Request Answer Part C 1.7x103 M AgNO3; RbCl Express your answer using two significant figures. [RbCl] ΜΕ ΑΣΦ Submit Request Answer M M
Consider the titration of a 23.0 mL sample of 0.110 M HC₂H3 O2 with 0.120 M NaOH. Determine each of the following. - the pH at one-half of the equivalence point Express your answer using two decimal places. pH = Submit Part E pH = ΠΙ ΑΣΦ the pH at the equivalence point Express your answer using two decimal places. Submit Request Answer VE ΑΣΦ Request Answer Pearson ? ?
culate the pH during the titration gent. The Ka of acetic acid is 1.75x105. 801031 1801031/ A) 10.00 C) 191801031 of 50.00 191801031 191801031 19 E) 8.73 191801031 1 m of 0.100 M acetic acid with 0.1000 M sodium hydroxide at 25°C after the addition of 25.00 mL of 191801031 91801031 191801031 191801031 191801031 191801031 191801031 031 191801001 031 191801031 191801031 101801031 031 191801031 191801031 191801031 191801031 191801031 101801031 (91801031 101801031 191801031 191801031 191801031 191801031 191801031 191801031 191801031 19180103 191801031 101001031 191801031 191801031 181801031 191801031 181801004 391 191301051 19
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