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: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter1: The Nature Of Chemistry
Section: Chapter Questions
Problem 127QRT
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![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6d88598c-61f0-4499-96c5-6173b0f8a79c%2F9603b8a4-faf5-4873-b104-be8d1f8f0202%2Fel7wihu.jpeg&w=3840&q=75)
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
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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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