Determine the the mass of one molecule of hydrogen sulfide gas.

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide

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