Chemistry · Chemical Equilibrium
A vinegar solution has a pH of 4.0. The concentration of OH- ion present in the solution is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14.00 M
- 21 × 10-7 M
- 31 × 10-10 M✓
- 41 × 10-4 M
Correct answer
1 × 10-10 M
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