Calculate the pH of the following solutions: 0.002 mol/dm^-3 KOH

pH by definition is given as -log10(cH+) or log10(1/cH+), where cH+ is the concentration of the H+ ions in the solution.Similarly, pOH= -log10(cOH-) pH + pOH= 14KOH is basic so we can calculate the pOH, which is pOH= -log10(cOH-)=-log10(0.002)= 2.69pH=14-2.69=11.31

CB
Answered by Csaba B. Chemistry tutor

10435 Views

See similar Chemistry A Level tutors

Related Chemistry A Level answers

All answers ▸

What is entropy and how is it used in chemistry?


What is a redox reaction?


An iron-alloy nail (2.41g) is dissolved in 100cm3 acid. 10cm3 portions of this solution are titrated with KMnO4 (0.02M) and 9.80cm3 of KMnO4 was needed to react with iron solution. What % of iron by mass is in the nail?


Rank the following acids according to acid strength, strongest to weakest: HF, HCl, HBr. Explain your reasoning.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning