MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryIonic equilibriumSelf-ionization of Water
A solution of an acid has pH = 4.70. Find out the concentration of OH– ions (pKw = 14)
A.5 × 10–10 M✓ Correct
B.4 × 10–10M
C.2 × 10–5 M
D.9 × 10–4 M
Explanation
We know that- 5 5 pH log[ log[H 4.70 2 ] ] ] 1.99 [H 10 10 x x H 14 w 5 14 14 5 9 10 K H ] [H [OH 1 [ ] 0 ] ] ]
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