2.200 mL of a solution containing 0.4 M Copper (II) Sulphate (CuSO4) is mixed with a 300 mL solution of 0.5 M Sodium Hydroxide (NaOH). The precipitate is then collected. Determine the theoretical mass of the precipitate.

Explain that newton first law,second law and third law of motion?

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

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?