The particles that make up protons and neutrons and are thought to be basic units of matter are what?

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: