Calculate [H⁺] in a 1

question 12

Multiple Choice

Calculate [H⁺] in a 1.0 M solution of Na₂CO₃ (for H₂CO₃, K_a1 = 4.3 × 10^-7 and K_a2 = 5.6 × 10^-11) .

• A) 6.6 × 10^-4 M
• B) 7.5 × 10^-13 M
• C) 7.5 × 10^-6 M
• D) 1.3 × 10^-2 M
• E) none of these

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