What is the molarity of a solution made dissolving by 8.56 g of sodium acetate in water and diluting to Molar Mass 750.0 mL? (A) 5.30 M (B) 0.139 (C) 0.104 M (D) 0.0783 M Which is a proper description of chemical equilibrium? (A) The frequencies of reactant and of product collisions are identical. (B) The concentrations of products and reactants are identical. (C) The velocities of product and reactant molecules are identical. (D) Reactant molecules react to form products as fast as product molecules are reacting to form reactants. The solubility of a substance is 60 g per 100 mL of water at 15 degree C. A solution of this substance prepared by dissolving 75 g in 100 mL of water at 75 degree C. The solution is then cooled slowly t without any solid separating. The solution is (A) supersaturated at 75 degree C. (B) supersaturated at 15 degree C. (C) Unsaturated at 15 degree C. (D) saturated at 15 degree Consider this reaction. P_4(s) + 6Cl_2(g) 4PCl_2(g) What i