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1.) How many moles of NaCl are present in 350mL of a 2M solution? 2.) How many millimoles of NaCl are present in 75mL of a 0.025M solution? 3.) You have a 250mM stock of Tris. What volume of this stock solution should be added to water to prepare 500mL of 7.5mM Tris?

1.) How many moles of NaCl are present in 350mL of a 2M solution? 2.) How many millimoles of NaCl are present in 75mL of a 0.025M solution? 3.) You have a 250mM stock of Tris. What volume of this stock solution should be added to water to prepare 500mL of 7.5mM Tris?

World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
Section: Chapter Questions
Problem 21A
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TOPIC: Stoichiometric Calculations

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1.) How many moles of NaCl are present in 350mL of a 2M solution?

2.) How many millimoles of NaCl are present in 75mL of a 0.025M solution?

3.) You have a 250mM stock of Tris. What volume of this stock solution should be added to water to prepare 500mL of 7.5mM Tris?

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