30 mL of 0.00138 M Cl- solution is titrated with 0.00057 M Ag . Calculate the pAg half-way to the equivalence point when the added titrant volume is 30mL. (hint!: use the Ksp value for AgCl).

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?

Areaction in which products can react to re-form reactants is