QQuestionChemistry
QuestionChemistry
Guess how many water molecules self-ionize in one liter of water!
A. 7 moles
B. 1 mole
C. 10,000,000 moles
D. 0.0000001 moles
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Answer
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Step 1Let's solve this step by step:
Step 2: Understand Self-Ionization of Water
\mathrm{H}_2\mathrm{O} \rightleftharpoons \mathrm{H}^{+} + \mathrm{OH}^{-}
Water molecules undergo self-ionization (autoionization), where a small number of water molecules split into hydrogen and hydroxide ions:
Final Answer
D. 0.0000001 moles (1.0 \times 10^{- 7} moles)
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