How many moles of H3O+ or OH- must you add per liter of HA solution to adjust its pH from 4.52 to 5.25? Assume?

How many moles of H3O+ or OH- must you add per liter of HA solution to adjust its pH from 4.52 to 5.25? Assume a negligible volume change.
Please explain!
Thanks!
1 answer