5. (a) Explain how would you prepare a 0.1000 M solution of oxalic acid (H2C204-2H2O) in a 200 ml volumetric flask? (b) A 0.6215g sample containing oxalic acid required 22.74 mL of 0.09843 M NAOH for titration. Write the reaction equation between H2C204 and NaOH then use it to calculate the % H2C204 in the sample.
5. (a) Explain how would you prepare a 0.1000 M solution of oxalic acid (H2C204-2H2O) in a 200 ml volumetric flask? (b) A 0.6215g sample containing oxalic acid required 22.74 mL of 0.09843 M NAOH for titration. Write the reaction equation between H2C204 and NaOH then use it to calculate the % H2C204 in the sample.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
Solve Q5 both parts a and b
Transcribed Image Text:I) callbration curve
m) dilution factor
n) titratioön curve
5. (a) Explain how would you prepare a 0.1000 M solution of oxalic acid
(H2C204-2H20) in a 200 ml volumetric flask?
(b) A 0.6215g sample containing oxalic acid required 22.74 mL of 0.09843 M NaOH
for titration. Write the reaction equation between H2C204 and NaOH then use it
to calculate the % H2C2O4 in the sample.
6. Calculate the molarity of a stock ammonia solution that has a mass percent of 28.0
(w/w) and a specific gravity of 0.90. How would you prepare a 0.15 M NH3
solution in 250 mL from this stock?
Part 2
1. Differentiate between the following terms:
i. Classical and instrumental technique
ii. Qualitative and quantitative analysis
iii. Precision and accuracy
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