In part one if you allow your titration to go beyond a faint pink endpoint and it ends up dark pink, what affect will that have on your calculated molarity of NaOH? Would you calculate a molarity that is higher than/lower than/the same as the actual molarity? Explain your reasoning. | I What affect, in any, would this error have on the molarity of acid in part two? Would you calculate a molarity that is higher than/lower than/the same as the actual molarity? Explain your reasoning. Can you confidently determine if your molarities are accurate? Explain why or why not. Can you confidently determine if your molarities are precise? Explain why or why not.

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.26QAP
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I need answer for question 1 2 3 and 4 based on the finished titration data sheet

Average the molarity for all trials.
Data
Volume of
HCI
MA
Initial
Burette
Reading
Final
Burette
Reading
Net Volume
NaOH
Moles NaOH
Used
Moles HCI
Used
www.
Molarity of
HCI
www
Average
Molarity of
HCI
www.
Trial 1
0.377g
0.8ml
13.1ml
13.1-0.8-12.3
0.66
0.010
31.34
31.39
Trial 2
0.563g
0.9ml
15.2ml
15.2-0.9 14.3
0.76
0.015
31.44
Transcribed Image Text:Average the molarity for all trials. Data Volume of HCI MA Initial Burette Reading Final Burette Reading Net Volume NaOH Moles NaOH Used Moles HCI Used www. Molarity of HCI www Average Molarity of HCI www. Trial 1 0.377g 0.8ml 13.1ml 13.1-0.8-12.3 0.66 0.010 31.34 31.39 Trial 2 0.563g 0.9ml 15.2ml 15.2-0.9 14.3 0.76 0.015 31.44
268]
63
E
Euro
151
1. In part one if you allow your titration to go beyond a faint pink endpoint and it ends up dark pink, what
affect will that have on your calculated molarity of NaOH? Would you calculate a molarity that is higher
than/lower than/the same as the actual molarity? Explain your reasoning. |
I
2. What affect, in any, would this error have on the molarity of acid in part two? Would you calculate a
molarity that is higher than/lower than/the same as the actual molarity? Explain your reasoning.
3. Can you confidently determine if your molarities are accurate? Explain why or why not.
4. Can you confidently determine if your molarities are precise? Explain why or why not.
Transcribed Image Text:268] 63 E Euro 151 1. In part one if you allow your titration to go beyond a faint pink endpoint and it ends up dark pink, what affect will that have on your calculated molarity of NaOH? Would you calculate a molarity that is higher than/lower than/the same as the actual molarity? Explain your reasoning. | I 2. What affect, in any, would this error have on the molarity of acid in part two? Would you calculate a molarity that is higher than/lower than/the same as the actual molarity? Explain your reasoning. 3. Can you confidently determine if your molarities are accurate? Explain why or why not. 4. Can you confidently determine if your molarities are precise? Explain why or why not.
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