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Q7 You have a stock solution that contains 78 mM calcium carbonate. You need to make 98 mL of a solution that contains 10 mM calcium carbonate. How many mL of the stock solution do you need to use? Answer to 2 decimal places Read about significant figures and rounding in the Helpful Resources page! Do not include units when reporting your answer Use standard notation as accepted by Canvas e.g. 0.01

Q7 You have a stock solution that contains 78 mM calcium carbonate. You need to make 98 mL of a solution that contains 10 mM calcium carbonate. How many mL of the stock solution do you need to use? Answer to 2 decimal places Read about significant figures and rounding in the Helpful Resources page! Do not include units when reporting your answer Use standard notation as accepted by Canvas e.g. 0.01

Introductory Chemistry: An Active Learning Approach
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 64E: Exactly 1 liter of a solution contains 31.4 grams of a certain dissolved substance. What mass in...
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Q7

You have a stock solution that contains 78 mM calcium carbonate. You need to make 98 mL of a solution that contains 10 mM calcium carbonate. How many mL of the stock solution do you need to use?

  • Answer to 2 decimal places
  • Read about significant figures and rounding in the Helpful Resources page!
  • Do not include units when reporting your answer
  • Use standard notation as accepted by Canvas
    • e.g. 0.01
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