What is used in ficilitated diffusion to assist the transport of sugar and sodium molecules

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

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