Question 9 A second calibration standard solution of an iron(II) salicylate complex was prepared in two steps. First, 10.0 mL of a 0.100 M stock solution was added to 90.0 mL of solvent to make 100.0 ml. of the first calibration standard solution and, secondly, 80 mL of that first calibration solution plus 20.0 mL of solvent were mixed to make the second calibration standard. What is the concentration of the second calibration standard solution? (A) 100 mM B) 59 mM 0,14 mM 80 mM 8.0 mM

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Question 9
A second calibration standard solution of an iron(III) salicylate complex was prepared in two steps. First, 10.0
mL of a 0.100 M stock solution was added to 90.0 mL of solvent to make 100.0 ml. of the first calibration
standard solution and, secondly, 80 mL of that first calibration solution plus 20.0 mL of solvent were mixed to
make the second calibration standard. What is the concentration of the second calibration standard solution?
A 100 mM
B) 59 mM
0.14 mM
D) 80 mM
E) 8.0 mM
8
Transcribed Image Text:I P E Question 9 A second calibration standard solution of an iron(III) salicylate complex was prepared in two steps. First, 10.0 mL of a 0.100 M stock solution was added to 90.0 mL of solvent to make 100.0 ml. of the first calibration standard solution and, secondly, 80 mL of that first calibration solution plus 20.0 mL of solvent were mixed to make the second calibration standard. What is the concentration of the second calibration standard solution? A 100 mM B) 59 mM 0.14 mM D) 80 mM E) 8.0 mM 8
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