The following data summarize the results of three titrations of the juice. All v
ID: 1006959 • Letter: T
Question
The following data summarize the results of three titrations of the juice. All volumes are in mL.
Question 3
What is the total acid concentration of the juice in run 1?
Enter Your Answer: 56.753M Incorrect
Question 4
What is the total acid concentration of the juice in run 2?
Enter Your Answer: 50.75M Incorrect
Question 5
What is the total acid concentration of the juice in run 3?
Enter Your Answer: 54.73M Incorrect
Question 6
What is the average total acid concentration of the juice?
Run 1 Run 2 Run 3 Volume of Juice 20.7 27.9 22.3 Initial NaOH buret reading 3.78 2.27 1.54 Final NaOH buret reading 25.84 28.86 24.46Explanation / Answer
The following data summarize the results of three titrations of the juice. All volumes are in mL.
Run 1
Run 2
Run 3
Volume of Juice
20.7
27.9
22.3
Initial NaOH buret reading
3.78
2.27
1.54
Final NaOH buret reading
25.84
28.86
24.46
Question 3
What is the total acid concentration of the juice in run 1?
If the molarity of NaOH is 0.1 M and the acid is mono protic acid the we will calculate the molarity of acid as follows:
Volume of NaOH used = 25.84-3.78 = 22.06 ml
M1V1 = M2V2
M1 * 20.7 ml= 0.1 M * 22.06 ml
M1= 0.11 M of acid
Question 4
What is the total acid concentration of the juice in run 2?
If the molarity of NaOH is 0.1 M and the acid is mono protic acid the we will calculate the molarity of acid as follows:
Volume of NaOH used = 28.86-2.27 = 26.58 ml
M1V1 = M2V2
M1 * 27.9 ml= 0.1 M * 26.59 ml
M1= 0.095M of acid
Question 5
What is the total acid concentration of the juice in run 3?
If the molarity of NaOH is 0.1 M and the acid is mono protic acid the we will calculate the molarity of acid as follows:
Volume of NaOH used = 24.46-1.54= 22.92 ml
M1V1 = M2V2
M1 * 22.3ml= 0.1 M * 22.92 ml
M1= 0.10 M of acid
Question 6
What is the average total acid concentration of the juice?
0.11+0.095+0.10/3
=0.305/3M
=0.102M
Run 1
Run 2
Run 3
Volume of Juice
20.7
27.9
22.3
Initial NaOH buret reading
3.78
2.27
1.54
Final NaOH buret reading
25.84
28.86
24.46
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