How many moles of Oxygen atoms can be obtained from a sample of 7.55 moles of CuSO4

You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap

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

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution