
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
Please help fill in the rest of the table using the provided data. Show your work.

Transcribed Image Text:|MKMnO₂ = -0.0101 M
Weight of NaBO3 4H₂O(g)
Vol. NaBO3 4H₂O used (mL)
Moles NaBO3 4H₂O (mol)*
Initial buret reading (mL)
Final buret reading (mL)
Volume KMnO4 used (mL)
Moles KMnO4 used (mol)*
Calculated mole ratio (from
starred *values, above) -
i.e. H₂O₂: MnO4
Trial 1
1.0062
10.00
0.0
24.04
24.04
Trial 2
(same) 1
10.00
24.07
24.07
Trial 3
(same) 1
10.00
0.0
24.07
24.07
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Follow-up Question
Based on the previously asked question and it's data, please help fill in the rest of the table. Show your work. The molarity of KMnO4 is 0.0101M.

Transcribed Image Text:Vol.xver
9.00 mL
"Oxygen bleach
Vol. of aliquot titrated (mL)
Initial buret reading (mL)
Final buret reading (mL)
Volume KMnO4 used (mL)
Moles KMnO4 used (mol)
Moles H₂O₂ in aliquot (mol)
Moles of H₂O₂ in flask (mol)
Mass of H₂O₂ in flask (g)
Percent H₂O₂ in the "oxygen
bleach" - %(w/v) ²
2
mL
Trial 1
Trial 3
7.00
7.00
0.00ml
0.00ml 0.00mL
20.05m 20.03m² 20.04 mi
20.05m 20.03mL 20.04 my
2 Weight-volume percent is defined as g of solute per 100 mL of solution. This is
mathematically identical to
× 100.
Average percent of H₂O2 in the "oxygen bleach"
Relative standard deviation
Trial 2
7.00
%(w/v)
%
Solution
by Bartleby Expert
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question
Based on the previously asked question and it's data, please help fill in the rest of the table. Show your work. The molarity of KMnO4 is 0.0101M.

Transcribed Image Text:Vol.xver
9.00 mL
"Oxygen bleach
Vol. of aliquot titrated (mL)
Initial buret reading (mL)
Final buret reading (mL)
Volume KMnO4 used (mL)
Moles KMnO4 used (mol)
Moles H₂O₂ in aliquot (mol)
Moles of H₂O₂ in flask (mol)
Mass of H₂O₂ in flask (g)
Percent H₂O₂ in the "oxygen
bleach" - %(w/v) ²
2
mL
Trial 1
Trial 3
7.00
7.00
0.00ml
0.00ml 0.00mL
20.05m 20.03m² 20.04 mi
20.05m 20.03mL 20.04 my
2 Weight-volume percent is defined as g of solute per 100 mL of solution. This is
mathematically identical to
× 100.
Average percent of H₂O2 in the "oxygen bleach"
Relative standard deviation
Trial 2
7.00
%(w/v)
%
Solution
by Bartleby Expert
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