For H₃PO₄, K_a1 = 7

question 143

Multiple Choice

For H₃PO₄, K_a1 = 7.3 × 10^-3, K_a2 = 6.2 × 10^-6, and K_a3 = 4.8 × 10^-13.An aqueous solution of Na₃PO₄ therefore would be

• A)neutral
• B)basic
• C)acidic

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