Mass of flask114.1352 g115.1111 g114.5454 gMass of flask + oxalic acid(H2C2O4 2H2O)114.3887 g115.3596 g114.7962 g0.24850.2508Mass of oxalic acid0.2535NaOH buret, initial volume5.02 ml24.55 ml25.00 mlNaOH buret, final volume24.55 ml43.75 ml44.50 ml19.53 ml19.20 ml19.50 mlVolume of NaOH used, Vb0.004020.003940.00398Equivalent of acid, eq0.20580.20530.2041Normality of NaOH, Nb20.51Average Normality |Using the table above, fill in the missing info.Volume of unknown [HCI], Va25.00 mlNaOH buret, initial volume6.00 mlNaOH buret, final volume27.80 mlVolume of NaOH usedNormality of NaOH, NbNormality of HCI, NaAverage Normality, Na

Given that: Volume of unknown HCl (Va) = 25 mL Normality of NaOH (Nb) = 0.2051 ----From average…

| Using the table above, fill in the missing info. Volume of unknown [HCI], Va 25.00 ml NaOH buret, initial volume 6.00 ml NaOH buret, final volume 27.80 ml Volume of NaOH used Normality of NaOH, No Normality of HCI, Na Average Normality, Na

| Using the table above, fill in the missing info. Volume of unknown [HCI], Va 25.00 ml NaOH buret, initial volume 6.00 ml NaOH buret, final volume 27.80 ml Volume of NaOH used Normality of NaOH, No Normality of HCI, Na Average Normality, Na

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter15: Solutions

Section: Chapter Questions

Problem 38CR

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Question

100%

Mass of flask
114.1352 g
115.1111 g
114.5454 g
Mass of flask + oxalic acid
(H2C2O4 2H2O)
114.3887 g
115.3596 g
114.7962 g
0.2485
0.2508
Mass of oxalic acid
0.2535
NaOH buret, initial volume
5.02 ml
24.55 ml
25.00 ml
NaOH buret, final volume
24.55 ml
43.75 ml
44.50 ml
19.53 ml
19.20 ml
19.50 ml
Volume of NaOH used, Vb
0.00402
0.00394
0.00398
Equivalent of acid, eq
0.2058
0.2053
0.2041
Normality of NaOH, Nb
20.51
Average Normality

|Using the table above, fill in the missing info.
Volume of unknown [HCI], Va
25.00 ml
NaOH buret, initial volume
6.00 ml
NaOH buret, final volume
27.80 ml
Volume of NaOH used
Normality of NaOH, Nb
Normality of HCI, Na
Average Normality, Na

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