4. What volume, in mL of 0.197 M HCIO4 needs to be added to 187.2 mL of 0.546 M RBCIO to achieve a solution with a pH of 7.35. Note: the pkb of RBCIO is 6.47, you may assume the 5% approximation holds, and you may assume that the volumes are additive. INSTRUCTIONS: Input your answer to 4 significant digits in standard notation (example: 1.234) and DO NOT include the units.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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4. What volume, in mL of 0.197 M HCIO4 needs to be added
to 187.2 mL of 0.546 M RBCIO to achieve a solution with a
pH of 7.35.
Note: the pkb of RBCIO is 6.47, you may assume the 5%
approximation holds, and you may assume that the volumes
are additive.
INSTRUCTIONS: Input your answer to 4 significant digits in
standard notation (example: 1.234) and DO NOT include the
units.
mL
Submit Answer
Tries 0/99
Transcribed Image Text:4. What volume, in mL of 0.197 M HCIO4 needs to be added to 187.2 mL of 0.546 M RBCIO to achieve a solution with a pH of 7.35. Note: the pkb of RBCIO is 6.47, you may assume the 5% approximation holds, and you may assume that the volumes are additive. INSTRUCTIONS: Input your answer to 4 significant digits in standard notation (example: 1.234) and DO NOT include the units. mL Submit Answer Tries 0/99
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