Question

How many moles of H+ ions are present in the following aqueous solution? 575 mL of 2.95 M hydriodic acid

Answer 1

molarity of hydroiodic acid(HI)   = 2.95M

volume of solution                   = 575ml   = 0.575L

no of moles of HI    = molarity * volume in L

                               = 2.95*0.575   = 1.69625 moles

hydriodic acid(HI) is strong acid . It is completely ionisable

   HI(aq) ----------------> H^+ (aq) + I^- (aq)

1.69625 moles             1.69625 moles

The no of moles of H^+ ions = 1.69625 moles >>>>answer