Question

Consider the reaction below :

P4(s) + 5O2(g) ---> P4O10(s)

How many grams of phosphorus react with 4.745 x 10^1 L of oxygen at STP to form tetraphosphorus decaoxide?

Answer 1

Here is a site that gives a worked example.
http://www.jiskha.com/science/chemistry/stoichiometry.html