If the PH of 1 Liter of a 1 A) I
B) II
C) III
D) IV
E) V

question 68

Multiple Choice

If the pH of 1 liter of a 1.0 M carbonate buffer is 7.0, what is actual number of moles of H₂CO₃ and HCO₃?? (pK = 6.37) $$\begin{array} { l l l } & \text { moles of } \mathbf { H } _ { 2 } \mathbf { C O } _ { 3 } & \text { moles of } \mathrm { HCO } _ { 3 } \\ \text { I. } & 0.86 & 0.14 \\\text { II. } & 0.81 & 0.19 \\\text { III. } & 0.76 & 0.24 \\\text { IV. } & 0.19 & 0.81 \\\text { V. } & 0.14 & 0.86\end{array}$$

• A) I
• B) II
• C) III
• D) IV
• E) V

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