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The Ka of a monoprotic weak acid is 8.34 × 10-3. What is the percent ionization of a 0.196 M solution of this acid? How much energy does it take to launch a 300 kg instrument package on a vertical trajectory that peaks at an altitude of 1800 km ? F(x, y) = (1 + 5xy)^(3/2) then nabla(f( x, y) is? How many crewmen on a submarine? Benefits of using fractional distillation?