Question

what will the pH at the end point of 0.0812M Ba(OH)2 be when titrated with HCl?
a) 9.0
b) 8.0
c) 12.2
d) 7.0
e) 6.0


for this question, can i just assume the pH will be 7 since it's s titration with a strong base and a strong acid? (or do i have to do calculations?) I'm just wondering, i'm studying for an exam and i happen to be a slow worker looking for fast short cuts. thank you for your time!

Answer 1

If the exam is a multiple guess (multiple choice by other names), I would pick 7.0 automatically since I know BaCl2 is the salt of a strong base and a strong acid and that neither the cation nor the anion are hydrolyzed in aqueous solution. However, if the exam wants to see work, I think you must go through an explanation must like I've provided above.

Answer 2

thanks again!