Which type of molecule is composed of (ch2o) units?

Find the mass in grams of 1.37x1020 particles of h3po4

Which is an example of a highly unstable isotope that is often used in fission reactions?

Butane gas reacts with oxygen gas to give carbon dioxide gas and water vapor (gas). if you mix butane and oxygen in the correct stoichiometric ratio, and if the total pressure of the mixture is 390 mmhg, what is the pressure (in mmhg) of water vapor after the reaction is completed (temperature and volume do not change).