A 100. 0 ml sample of 0. 20 m hf is titrated with 0. 10 m koh. What is the ph of the solution after the addition of 300. 0 ml of koh? the ka of hf is 3. 5 10–4.

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

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Which of these is a physical property