For a given solution \( \mathrm{pH}=6.9 \) at \( 60^{\circ} \mathrm{C} \), where \( K_{w}=10^{-1...
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For a given solution \( \mathrm{pH}=6.9 \) at \( 60^{\circ} \mathrm{C} \), where \( K_{w}=10^{-12} \). The solution is:
(A) acidic
(B) basic
(C) neutral
(D) unpredictable
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