The distance between the points is. 3.16227766016838

if u have to round it to the nearest ones plat 3.2 or 3.1 and if u have to round to the tenths place 3.16

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.

put the answers   and i could answer.