QUESTION 3 If 14.36 mL of 0.4832 M NAOH is needed to fully titrate a solution made with 0.5829 g of a diprotic acid, what is the experimental molar mass of the acid? O 177.4 g/mol 132.4 g/mol 25.49 g/mol 168.0 g/mol 158.6 g/mol

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Question 3
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Exams – Spring 2021-ACHM124-General Chemistry.
Take Test: ACHM 124 Final F20 - Spring 2021-ACHM124-...
14.36 mL of 0.4832 M NaOH is needed to fully titrat
6.
QUESTION 3
If 14.36 mL of 0.4832 M NaOH is needed to fully titrate a solution made with 0.5829 g of a diprotic acid, what is the experimental molar mass of the acid?
O 177.4 g/mol
132.4 g/mol
25.49 g/mol
168.0 g/mol
158.6 g/mol
QUESTION 4
A student is trying to determine the volume of a flask. After performing the measurement ten times, the RSD of the ten trials is calculated to be 1 ppt. Which of t
statements can be made about this result given the information?
The data is inaccurate.
The data is very precise.
The data is imprecise.
OA graph is needed to answer this question.
O The data is accurate.
QUESTION 5
What is the theoretical yield of aspirin (MW=180.159 g/mol) when 4.185 g of salicylic acid (MW= 138.122 g/mol) is reacted with 6.269 g of acetic anhydride (MW=
in the presence of a phosphoric acid catalyst?
3.209 g
4.806 g
Transcribed Image Text:blackboard.albany.edu Exams – Spring 2021-ACHM124-General Chemistry. Take Test: ACHM 124 Final F20 - Spring 2021-ACHM124-... 14.36 mL of 0.4832 M NaOH is needed to fully titrat 6. QUESTION 3 If 14.36 mL of 0.4832 M NaOH is needed to fully titrate a solution made with 0.5829 g of a diprotic acid, what is the experimental molar mass of the acid? O 177.4 g/mol 132.4 g/mol 25.49 g/mol 168.0 g/mol 158.6 g/mol QUESTION 4 A student is trying to determine the volume of a flask. After performing the measurement ten times, the RSD of the ten trials is calculated to be 1 ppt. Which of t statements can be made about this result given the information? The data is inaccurate. The data is very precise. The data is imprecise. OA graph is needed to answer this question. O The data is accurate. QUESTION 5 What is the theoretical yield of aspirin (MW=180.159 g/mol) when 4.185 g of salicylic acid (MW= 138.122 g/mol) is reacted with 6.269 g of acetic anhydride (MW= in the presence of a phosphoric acid catalyst? 3.209 g 4.806 g
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