Answered: You have a stock NaCl solution of 8…

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter1: Introduction To Chemistry

Section: Chapter Questions

Problem 1.87PAE: 1.87 A solution of ethanol in water has a volume of 54.2 mL and a mass of 49.6 g. what information...

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You have a stock NaCl solution of 8 g/L. You want to prepare 357 mL of a 5 mg/L NaCl solution. How many mL of the stock solution will you need? Give your answer with two digits after the decimal

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Step 1

Given:

The concentration of the stock NaCl solution = 8 g/L

We have to find the volume of the stock solution (in mL) that would be needed to prepare 357 mL of a 5 mg/L NaCl solution.

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what would the answer be with two decimal places?

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