If you make 250 mL of a 20X stock solution on NaCl, how many grams of NaCl would you need in how many mL of water? If you use this 20X stock to make 3.5 L of 50 mM NaCl, how much of the 20X stock would you dilute in how many mL of water?

Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
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Chapter15: Solutions
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Problem 79QAP
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If you make 250 mL of a 20X stock solution on NaCl, how many grams of NaCl would you need in how many mL of water? If you use this 20X stock to make 3.5 L of 50 mM NaCl, how much of the 20X stock would you dilute in how many mL of water?

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