Please complete the following table. For each of your acceptable trials, enter the volume of HCl solution used (mL), the corresponding volume of NaOH (mL) required to reach the endpoint, and the calculated molarity of your HCl solution. Use the average molarity of your NaOH solution in your calculations. Trial 1 2 3 Vol of HCl solution (mL) 5.54 5.25 5.25 Vol of NaOH solution (mL) 25.00 25.00 25.00 Avg. M of NaOH (from part 1) 0.0900235 M HCl (M) Unrounded 0 3 3 Rounded D 3 3 3

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Chapter1: Chemical Foundations
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■O
* No, the concentration HCl has been calculated incorrectly.
The expression you should be evaluating is:
Mícı(mmol mL¯¹)
Where:
=
●
MNaOH (Avg)(mmolmL-1) × VNaOH(mL)
VHCI (ML)
MNaOH (Avg) is average molarity of NaOH
• VN₂OH is the volume of NaOH
VÍCI is the volume of HCI
SOLVE
1 mmol HCl
1 mmol NaOH
At least 6 significant figures should be retained to prevent accumulating rounding errors when the value is used in a
subsequent calculation.
Transcribed Image Text:■O * No, the concentration HCl has been calculated incorrectly. The expression you should be evaluating is: Mícı(mmol mL¯¹) Where: = ● MNaOH (Avg)(mmolmL-1) × VNaOH(mL) VHCI (ML) MNaOH (Avg) is average molarity of NaOH • VN₂OH is the volume of NaOH VÍCI is the volume of HCI SOLVE 1 mmol HCl 1 mmol NaOH At least 6 significant figures should be retained to prevent accumulating rounding errors when the value is used in a subsequent calculation.
Please complete the following table. For each of your acceptable trials, enter the volume of HCl solution used (mL), the corresponding
volume of NaOH (mL) required to reach the endpoint, and the calculated molarity of your HCl solution. Use the average molarity of
your NaOH solution in your calculations.
Trial
1
2
3
Vol of HCl solution
(mL)
5.54
5.25
5.25
Vol of NaOH solution
(mL)
25.00
25.00
25.00
Avg. M of
NaOH
(from part 1)
0.0900235
M HCl (M)
Unrounded
0 A
3
3
Rounded
P
a
3
3
3
Transcribed Image Text:Please complete the following table. For each of your acceptable trials, enter the volume of HCl solution used (mL), the corresponding volume of NaOH (mL) required to reach the endpoint, and the calculated molarity of your HCl solution. Use the average molarity of your NaOH solution in your calculations. Trial 1 2 3 Vol of HCl solution (mL) 5.54 5.25 5.25 Vol of NaOH solution (mL) 25.00 25.00 25.00 Avg. M of NaOH (from part 1) 0.0900235 M HCl (M) Unrounded 0 A 3 3 Rounded P a 3 3 3
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