50 mL of Cr3+ solution was tested by the standard addition method. The unknown solution had a potential of -0.893 V. Upo
Posted: Wed Apr 27, 2022 7:02 am
50 mL of Cr3+ solution was tested by the standard addition
method. The unknown solution had a potential of -0.893 V. Upon
addition of 5 mL of known [Cr3+] (0.0150 M), the voltage changed to
-0.875 V. What is the concentration of the origanal Cr3+
solution?
method. The unknown solution had a potential of -0.893 V. Upon
addition of 5 mL of known [Cr3+] (0.0150 M), the voltage changed to
-0.875 V. What is the concentration of the origanal Cr3+
solution?