Trial 1: Initial pH= 3.92mL Mass of KHP and Paper= 0.868g Mass of paper= 0.357g Mass of KHP= 0.511g Trial 2: Initial pH= 4.09ml Mass of KHP and Paper= 0.870g Mass of paper= 0.359g Mass of KHP= 0.511g 1) find the volume at halfway point and the pH at halfway point of both trial 2) find the pKa of both trial and the mean pKa then use it to calculate Ka for KHP.
Trial 1: Initial pH= 3.92mL Mass of KHP and Paper= 0.868g Mass of paper= 0.357g Mass of KHP= 0.511g Trial 2: Initial pH= 4.09ml Mass of KHP and Paper= 0.870g Mass of paper= 0.359g Mass of KHP= 0.511g 1) find the volume at halfway point and the pH at halfway point of both trial 2) find the pKa of both trial and the mean pKa then use it to calculate Ka for KHP.
Living By Chemistry: First Edition Textbook
1st Edition
ISBN:9781559539418
Author:Angelica Stacy
Publisher:Angelica Stacy
ChapterU4: Toxins: Stoichiometry, Solution Chemistry, And Acids And Bases
SectionU4.17: Heartburn: Acids And Bases
Problem 2E
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Question
Trial 1:
Initial pH= 3.92mL
Mass of KHP and Paper= 0.868g
Mass of paper= 0.357g
Mass of KHP= 0.511g
Trial 2:
Initial pH= 4.09ml
Mass of KHP and Paper= 0.870g
Mass of paper= 0.359g
Mass of KHP= 0.511g
1) find the volume at halfway point and the pH at halfway point of both trial
2) find the pKa of both trial and the mean pKa then use it to calculate Ka for KHP.
Transcribed Image Text:ph vs. buret reading
15
10
20
30
40
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10
yd
Transcribed Image Text:ph vs. buret reading
15
10
30
40
50
10
buret reading
20
yd
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