C15H30 is a hydrocarbon that reacts with oxygen gas to give carbon dioxide and water.

Question

Calculate the mass of water (grams) formed when 859.64 grams of the hydrocarbon reacts with the oxygen gas.

Answer 1

This is a problem in stoichiometry. Here is a link to a problem I've posted that is an example. Just follow the steps.
http://www.jiskha.com/science/chemistry/stoichiometry.html