Based on the data given answer questions. 1,3, and 5 please ?? Question 2 is already answered to solved 1 and 3 1. Based on your three trials, discuss the precision of your data 2. The actual concentration of the unknown is 0.200 M. (Check with instructor to ensure that this value is accurate.) Calculate the percent error based on the average molarity of your three trials. Answer: Actual Molarity= 0.200M Mcalculated = 0.1755M % error = ( [actual - calculated value]/actual ) *100 Putting values; = ((0.200 - 0.1755)/0.200 )*100 = 12.25% 3. Based on your answer to (2), discuss the accuracy of your data. 5. 80.0 mL of 0.30 M NaOH and 80.0 mL of 0.30 M HCl are mixed together. What is the approximate pH of the solution —acidic, basic, or neutral? Explain.
Based on the data given answer questions. 1,3, and 5 please ?? Question 2 is already answered to solved 1 and 3 1. Based on your three trials, discuss the precision of your data 2. The actual concentration of the unknown is 0.200 M. (Check with instructor to ensure that this value is accurate.) Calculate the percent error based on the average molarity of your three trials. Answer: Actual Molarity= 0.200M Mcalculated = 0.1755M % error = ( [actual - calculated value]/actual ) *100 Putting values; = ((0.200 - 0.1755)/0.200 )*100 = 12.25% 3. Based on your answer to (2), discuss the accuracy of your data. 5. 80.0 mL of 0.30 M NaOH and 80.0 mL of 0.30 M HCl are mixed together. What is the approximate pH of the solution —acidic, basic, or neutral? Explain.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 34QRT
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Based on the data given answer questions. 1,3, and 5 please ??
Question 2 is already answered to solved 1 and 3
1. Based on your three trials, discuss the precision of your data
2. The actual concentration of the unknown is 0.200 M. (Check with instructor to ensure that this value is accurate.) Calculate the percent error based on the average molarity of your three trials.
Answer: Actual Molarity= 0.200M
Mcalculated = 0.1755M
% error = ( [actual - calculated value]/actual ) *100
Putting values;
= ((0.200 - 0.1755)/0.200 )*100
=
12.25%
3. Based on your answer to (2), discuss the accuracy of your data.
5. 80.0 mL of 0.30 M NaOH and 80.0 mL of 0.30 M HCl are mixed together. What is the approximate pH of the solution —acidic, basic, or neutral? Explain.
Transcribed Image Text:Table 1: Titration Data for Unknown #_C
Volume of unknown (HCI)
(mL)
Initial burette reading (mL)
Final burette reading (mL)
Volume Titrant (NaOH) Added
(mL)
Molarity of HCI (M)
Average (M)
Trial 1
10.00 mL
21.00 mL
3.30 mL
17.70 mL
0.1770M
0.1755M
Trial 2
10.00 mL
29.45 mL
12.20 mL
17.25 mL
0.1725M
Trial 3
10.00 mL
33.10 mL
15.40 mL
17.70 mL
0.1770M
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