please help me with this pre-lab question!!
A 1.0-ml volume of 0.010 M H2SO3 is added to a mixture of 12 dropsof 0.010 M HIO3, 8 drops of deionized water, and one drop of starch solution, A color change in the reaction mixture occurred after 40 seconds.

Question

please help me with this pre-lab question!!
A 1.0-ml volume of 0.010 M H2SO3 is added to a mixture of 12 dropsof 0.010 M HIO3, 8 drops of deionized water, and one drop of starch solution, A color change in the reaction mixture occurred after 40 seconds.

anonymous · Answer

assuming 25 drops per mL for all solutions, determine the initial concentration of HIO3, after mixing but before any reaction occurs (at time=0)

anonymous · Answer

I already calculated that there are 0.84mL total with all the drops. But I dont know what to do next