Assigned weak acid: ,_Hydrocyanic acid (HCN)Literature K, of assigned acid:_4.9 x 10^-10Initial pH of weak acid solution:4.60_Indicator used:_PhenolphthaleinCalculated InitialConcentration of WeakAcid (M)pHvolume of NaOH (mL)Indicator endpointTitration curve|10.072211.45251equivalence pointHow to get the initial concentration of Weakacid at the Indicator endpoint? Given theconcentration fo NaOH is 1M, the initialvolume of HCN is 25ml.

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volume of NaOH (mL) Concentration of Weak Acid (M) pH Indicator endpoint Titration curve equivalence point 10.07 22 11.45 25 1 How to get the initial concentration of Weak acid at the Indicator endpoint? Given the concentration fo NaOH is 1M, the initial volume of HCN is 25ml.

volume of NaOH (mL) Concentration of Weak Acid (M) pH Indicator endpoint Titration curve equivalence point 10.07 22 11.45 25 1 How to get the initial concentration of Weak acid at the Indicator endpoint? Given the concentration fo NaOH is 1M, the initial volume of HCN is 25ml.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter14: Principles Of Neutralization Titrations

Section: Chapter Questions

Problem 14.9QAP

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Question

Assigned weak acid: ,
_Hydrocyanic acid (HCN)
Literature K, of assigned acid:
_4.9 x 10^-10
Initial pH of weak acid solution:
4.60_
Indicator used:
_Phenolphthalein
Calculated Initial
Concentration of Weak
Acid (M)
pH
volume of NaOH (mL)
Indicator endpoint
Titration curve
|10.07
22
11.45
25
1
equivalence point
How to get the initial concentration of Weak
acid at the Indicator endpoint? Given the
concentration fo NaOH is 1M, the initial
volume of HCN is 25ml.

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