A biochemist carefully measures the molarity of calcium carbonate in 62. mL of photobacterium cell growth medium to be 67. μM. Unfortunately, a careless graduate student forgets to cover the container of growth medium and a substantial amount of the solvent evaporates. The volume of the cell growth medium falls to 6.0 mL. Calculate the new molarity of calcium carbonate in the photobacterium cell growth medium. Be sure your answer has the correct number of significant digits.

Introductory Chemistry For Today
8th Edition
ISBN:9781285644561
Author:Seager
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Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.86E
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A biochemist carefully measures the molarity of calcium carbonate in 62. mL of photobacterium cell growth medium to be 67. µM.
Unfortunately, a careless graduate student forgets to cover the container of growth medium and a substantial amount of the solvent evaporates. The volume of
the cell growth medium falls to 6.0 mL. Calculate the new molarity of calcium carbonate in the photobacterium cell growth medium.
Be sure your answer has the correct number of significant digits.
Transcribed Image Text:A biochemist carefully measures the molarity of calcium carbonate in 62. mL of photobacterium cell growth medium to be 67. µM. Unfortunately, a careless graduate student forgets to cover the container of growth medium and a substantial amount of the solvent evaporates. The volume of the cell growth medium falls to 6.0 mL. Calculate the new molarity of calcium carbonate in the photobacterium cell growth medium. Be sure your answer has the correct number of significant digits.
Expert Solution
Step 1

Given:

The initial molarity of calcium carbonate is 67.0 μM.

The initial volume is 62.0 mL.

The final volume becomes 6.0 mL.

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