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HELP! Predict the equilibrium concentration of H+ in a 0.25 M solution of H2SO4-? Ka2=0.012? Do all of the molecules in a 1 mol sample of CH4(g) have the same velocity at 546 K? Profit is given by the quadratic function P(q). Profit is $0 at q=13 and q=33. Maximal profit is $500. Find an expression for P(q)? According to Marti, how many races exist? How much is 1904 penny?