The $pH$ of an acidic solution is $4.70$. Calculate the concentration of $OH^-$ ions. $(pK_w = 14)$
- A$5 \times 10^{-10} \ M$
- B$4 \times 10^{-10} \ M$
- C$2 \times 10^{-5} \ M$
- D$9 \times 10^{-4} \ M$
Explore More
Similar Questions
The $pH$ of a solution is $9.5$. The solution is
Easy
View SolutionAn aqueous solution of $HCl$ has a $pH$ of $2.0$. When water is added to increase the $pH$ to $5.0$,the hydrogen ion concentration
MediumKVPY 2010
View SolutionThe standard Gibbs energy change for the reaction $H_2O \rightleftharpoons H^{+} + OH^{-}$ at $25 \, ^\circ C$ is $... \ kJ$.
Medium
View SolutionThe concentration of hydroxyl ions in a solution with a $pH$ value of $3$ is .......
Medium
View SolutionWhat is the normal pH of human blood?
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo