how much naoh must be added to make the ph of the solution 4.5?
(you can ignore the change in volume due to the added naoh).
show all the steps of calculations and explain your reasoning behind it.

given information:

2.2m solution of hcooh. you want the solution to have a ph of 4.5. the total volume of the solution is 250ml.
pka of hcooh = 3.77