Question

What is the approximate pH of a 5 x10-3 M HCl solution?​

Answer 1

Answer:

Given that, concentration of H + in 1 mL =10 −5 M

Concentration of H + in 1000 mL =10 −8M

pH=−log (10

−7+10 −8

)=6.96 (Concentration of H +from dissociation of water ≈10 −7M)