What is the molar mass of fluorine, f2?
is it 19mol or 38mol? ? .

What are the resulting coefficients when you balance the chemical equation for the combustion of ethane, c2h6? in this reaction, ethane is burned in the presence of oxygen (o2) to form carbon dioxide (co2) and water (h2o). (g)+(g)→(g)+(g)

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

What is the percentage of hydrogen in nitrogen trihydride