How much space would .33 moles of oxygen take up at STP?

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?

Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration

The molar mass of iron(fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?