The 500.0-mg sample of impure Na, CO3 (FM: 105.96) required 22.00 mL of the HCI standard solution (the obtained concentration of HCI from the previous question, problem 5: Titrimetry short answer type) for complete neutralization. 1. Give the balanced chemical equation between the sample, Na2CO3 and the standard, HCI. 2. What is the mass (g) of Na, CO3 in the sample? 3. Calculate the % (w/w) purity of a 500.0-mg sample of impure Na2 CO3 Note: Type your solution here or upload its pic in Jpeg or pdf format. Another option is to send it to me via email (subject: Fam name-Quiz 4) or messenger, privately. Do not forget to box the final answer and write your name.

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M 23 (H) Inorganic Analytical Chemistry
pard
My courses
CHEM 23 (H) FS-AY:20-21
Week 4-5: Quantitative Analysis by Gravimetry and Titration
Quiz 4
Qu
10
The 500.0-mg sample of impure Na2 CO3 (FM: 105.96) required 22.00 mL of the HCI standard solution (the
obtained concentration of HCI from the previous question, problem 5: Titrimetry short answer type) for
complete neutralization.
ut of
1. Give the balanced chemical equation between the sample, Na2CO3 and the standard, HCI.
2. What is the mass (g) of Na, CO3 in the sample?
3. Calculate the % (w/w) purity of a 500.0-mg sample of impure Na2 CO3
Note: Type your solution here or upload its pic in Jpeg or pdf format. Another option is to send it to me via email
(subject: Fam name-Quiz 4) or messenger, privately. Do not forget to box the final answer and write your
name.
В I
1.
Transcribed Image Text:M 23 (H) Inorganic Analytical Chemistry pard My courses CHEM 23 (H) FS-AY:20-21 Week 4-5: Quantitative Analysis by Gravimetry and Titration Quiz 4 Qu 10 The 500.0-mg sample of impure Na2 CO3 (FM: 105.96) required 22.00 mL of the HCI standard solution (the obtained concentration of HCI from the previous question, problem 5: Titrimetry short answer type) for complete neutralization. ut of 1. Give the balanced chemical equation between the sample, Na2CO3 and the standard, HCI. 2. What is the mass (g) of Na, CO3 in the sample? 3. Calculate the % (w/w) purity of a 500.0-mg sample of impure Na2 CO3 Note: Type your solution here or upload its pic in Jpeg or pdf format. Another option is to send it to me via email (subject: Fam name-Quiz 4) or messenger, privately. Do not forget to box the final answer and write your name. В I 1.
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