How many moles of H, PO, are produced when 284 g P,00 reacts completely to form H, PO,? P,0,,() + 6H, 0(1) 4H, PO, (aq)
a. 4.00 mol
b. 1.00 mol. c. 16.0 mol
d. 0.063 5 mol

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas