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What is the Molarity (M) of Unknown 7.5 mL Dilution

What is the Molarity (M) of Unknown 7.5 mL Dilution

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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What is the Molarity (M) of Unknown 7.5 mL Dilution (Hint: Use known/Aknown = Munknown/Aunknown)
Concentration (M) of starting solution 0.024 Abs (7.5 mL 0.024 M Cu* + 7 mL conc NH3 diluted with distilled H20 to 100 mL total volume) 0.261 Abs (7.5 mL Unknown Cu2* solution + 7 mL conc NH3 diluted with distilled H20 to 100 mL total volume) 0.527 LAB CALCULATIONS Try 1: / 0.0018 Concentration of 7.5 mL Dilution (Use M,V1=M2V2 where M1 = 0.024, V1 = 7.5 mL (why?), V2 = 100 mL) 5 Info 0.0812 Ratio M/A for the 7.5-mL Dilution NG 5 Info
Transcribed Image Text:Concentration (M) of starting solution 0.024 Abs (7.5 mL 0.024 M Cu* + 7 mL conc NH3 diluted with distilled H20 to 100 mL total volume) 0.261 Abs (7.5 mL Unknown Cu2* solution + 7 mL conc NH3 diluted with distilled H20 to 100 mL total volume) 0.527 LAB CALCULATIONS Try 1: / 0.0018 Concentration of 7.5 mL Dilution (Use M,V1=M2V2 where M1 = 0.024, V1 = 7.5 mL (why?), V2 = 100 mL) 5 Info 0.0812 Ratio M/A for the 7.5-mL Dilution NG 5 Info
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