When working with very low concentrations, such as 0.000245 M, it can be more convenient to represent the concentration as millimolar instead of as molar, in other words mmol/L instead of mol/L. Which is the correct representation of 0.000245 M as the millimolar concentrati on?

When working with very low concentrations, such as 0.000245 M, it can be more convenient to represent the concentration as millimolar instead of as molar, in other words mmol/L instead of mol/L. Which is the correct representation of 0.000245 M as the millimolar concentrati on?

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter3: Measurement And Chemical Calculations

Section: Chapter Questions

Problem 61E

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Question

When working with very low concentrations, such as
0.000245 M, it can be more convenient to represent the
concentration as millimolar instead of as molar, in other
words mmol/L instead of mol/L. Which is the correct
representation of 0.000245 M as the millimolar concentrati
on?
0.0245 mM
0.000000245 mM
0.245 mM
245 mM

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