What is the Molarity (M) of original Unknown(Hint: Use M1V1 = M2V2 and consider what V1 andV2 are) Concentration (M) of starting solution0.024Abs (7.5 mL 0.024 M Cu+ + 7 mL conc NH3 diluted with distilled H20 to 100 mL total volume)0.261Abs (7.5 mL Unknown Cu* solution + 7 mL conc NH3 diluted with distilled H20 to 100 mL total volume)0.527

Initial volume of Cu2+ solution,V1 = 7.5 ml Initial concentration of Cu2+, M1 = 0.024 M Final volume…

Concentration (M) of starting solution 0.024 Abs (7.5 mL 0.024 M Cu2* +7 mL conc NH3 diluted with distilled H,0 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

Concentration (M) of starting solution 0.024 Abs (7.5 mL 0.024 M Cu2* +7 mL conc NH3 diluted with distilled H,0 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

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter7: Solutions And Colloids

Section: Chapter Questions

Problem 7.107E

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Question

What is the Molarity (M) of original Unknown (Hint: Use M1V1 = M2V2 and consider what V1 and V2 are)

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 Cu* solution + 7 mL conc NH3 diluted with distilled H20 to 100 mL total volume)
0.527

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