A chemist must dilute 42.4 mL of 483. mM aqueous potassium dichromate (K,Cr,O,) solution until the concentration falls to 380. mM . He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters. Round your answer to 3 significant digits. mL ala
A chemist must dilute 42.4 mL of 483. mM aqueous potassium dichromate (K,Cr,O,) solution until the concentration falls to 380. mM . He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters. Round your answer to 3 significant digits. mL ala
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:A chemist must dilute 42.4 mL of 483. mM aqueous potassium dichromate (K,Cr,O,) solution until the concentration falls to 380. mM . He'll do this by
adding distilled water to the solution until it reaches a certain final volume.
Calculate this final volume, in milliliters. Round your answer to 3 significant digits.
mL
ala
Expert Solution

Step 1
Given : Concentration of K2Cr2O7 to be prepared = 380 mM = 0.380 M (since 1 M =1000 mM)
Volume of K2Cr2O7 to be diluted i.e initial volume = 42.4 mL
And concentration of K2Cr2O7 to be diluted i.e initial concentration of solution = 483 mM = 0.483 M
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