What is the pH of a solution prepared by mixing 30.00 mL of 0.10 MCH3CO2H with 30.00 mL of 0.050 MCH3CO2K? Assume that the volume of the solutions are additive and that Ka=1.8×10−5 for CH3CO2H.

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work

Which of the following is not true about the atomic model of substances?