what is the concentration of I- before the reaction when 35 ml of 0.23M KI is mixed with 15 ml of 0.15M Fe3+
2I- + 2Fe3+ --> 2Fe2+ + I2
you are diluting it with slightly.
New volume=50 ml
molarity= moles/volume=(.23*.035)/(.050)=....
2I- + 2Fe3+ --> 2Fe2+ + I2
New volume=50 ml
molarity= moles/volume=(.23*.035)/(.050)=....