Problem- A. 100 ml sample 0.77 HCl titrated with 0.12 M LiOH. what is pH before LiOH titration and after 70 ml LiOH is added.
B. 100 ml of 0.5 M HF sloution is titrated with 0.25 M NaOH. what is pH after 100 ml added and after 300 ml added.
Please explain above problem in step by step manner so I can easily understand it