1. When H2SO<(aq) was reacted with NaOH(aq) in the titration, why was a precipitate not formed? 2. Why did the colour of the solution in the conical flask change at the end of the titration? 3. In this acid-base titration, what did we use to measure the volume of the H2SO«(aq)?

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Chapter1: Chemical Foundations
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5. Calculate the molarity of the diluted solution of H2SO4. Show clearly your method.
6. Calculate the molarity of the stock solution of H2SO4
If you want to know if the molarity of the solution of H2SO, is accurate, what information do
you require?
Transcribed Image Text:5. Calculate the molarity of the diluted solution of H2SO4. Show clearly your method. 6. Calculate the molarity of the stock solution of H2SO4 If you want to know if the molarity of the solution of H2SO, is accurate, what information do you require?
Molarity of the standard solution of sodium hydroxide 0.1037 mol/L
Volumes of NaOH(aq):
Rough
titration
First
titration
Second
titration
Third
titration
Final burette reading:
mL)
Initial burette reading:
(mL)
Velume of NaOII(aq)
Titrated (added) (mL)
18.53
32.02
21.64
35.53
4.78
18.55
7.89
21.63
Fourth
Finh
titration
titration
Final burette reading:
(ml)
Initial burette reading:
(mL)
Volume of NaOH(aq)
Titrated (added) (ml)
23.78
37.32
10.27
23.80
1. When HaSO<(aq) was reacted with NAOH(aq) in the titration, why was a precipitate not
formed?
2. Why did the colour of the solution in the conical flask change at the end of the titration?
3. In this acid-base titration, what did we use to measure the volume of the Ha$O.(aq)?
4. What do we mean by stoichiometric point of a titration?
Transcribed Image Text:Molarity of the standard solution of sodium hydroxide 0.1037 mol/L Volumes of NaOH(aq): Rough titration First titration Second titration Third titration Final burette reading: mL) Initial burette reading: (mL) Velume of NaOII(aq) Titrated (added) (mL) 18.53 32.02 21.64 35.53 4.78 18.55 7.89 21.63 Fourth Finh titration titration Final burette reading: (ml) Initial burette reading: (mL) Volume of NaOH(aq) Titrated (added) (ml) 23.78 37.32 10.27 23.80 1. When HaSO<(aq) was reacted with NAOH(aq) in the titration, why was a precipitate not formed? 2. Why did the colour of the solution in the conical flask change at the end of the titration? 3. In this acid-base titration, what did we use to measure the volume of the Ha$O.(aq)? 4. What do we mean by stoichiometric point of a titration?
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