If the Ionization Constant of Water,K_w,at 40°C Is 2

question 228

Multiple Choice

If the ionization constant of water,K_w,at 40°C is 2.92 × 10^-14,then what is the hydronium ion concentration and pH for an acidic solution?

• A)[H₃O⁺] > 1.71 × 10^-7 M and pH > 6.77
• B)[H₃O⁺] > 1.71 × 10^-7 M and pH < 6.77
• C)[H₃O⁺] < 1.71 × 10^-7 M and pH > 6.77
• D)[H₃O⁺] < 1.71 × 10^-7 M and pH < 6.77

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