MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumSelf-ionization of Water
Four grams of NaOH solid are dissolved in just enough water to make 1 litre of solution. What is the [H+] of the solution ?
A.10–2 moles/litre
B.10–1 moles/litre
C.10–12 moles/litre
D.10–13 moles/litre.✓ Correct
Explanation
Number of moles of NaOH= 4/40= 0.1 Molarity =0.1/1= 0.1M Concentration of 1 OH 10 M 14 14 1 13 S . ince,[H ] 0 [ ] 10 moles/litre [ ] 1 /10 10 mole O s/litr OH [H ] e H
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