Calculate the change in entropy when the pressure of a 64.0 g sample of oxygen gas is increased from 625 mmHg to 1.24 atm at a constant temperature of 25 degrees * C . Assume ideal behavior.

Ithink is d. physical property

Molarity is moles of solute over liters of solution. idk if that is what you are talking about, but you can convert moles of solute to grams of solute using dimensional analyzes by using molar mass found on the periodic table.

Answer two atoms of oxygen;