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At 25°C, pure water has approximately equal hydrogen and hydroxide ion concentrations.
Answer
true
Explanation
Water’s ion product is approximately $10^{-14}$ at 25°C. In pure water, hydrogen and hydroxide concentrations are equal, so each is about $10^{-7}$ M and the pH is approximately 7. **Key takeaway:** Pure water is neutral under the stated conditions. **Glossary:** Ion product: product of the equilibrium concentrations of water’s ions.
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