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If I miss a day of taking my solodyn pills will the effects still affect me ? Phosphoric acid, is a triprotic acid, for which Ka1= 7.2×10^-3, Ka2 = 6.3×10^-8 and Ka3 = 4.2×10^-13. What is the value of Kb for PO43-? Help on Probability please!? The current through a 675 Ω resistor is 185 mA. To the nearest volt, what is the potential difference across the resistor? Y=11-4x/9 y=?