The combustion of carbon disulfide in the presence of excess oxygen yields carbon dioxide and sulfur dioxide:

Question

CS2(g)+3O2(g)--->CO2(g)+2SO2(g)

The combustion of 17.2 g of CS2 in the presence of excess oxygen yields __________ g of SO2.

Answer 1

Here is a solved example of a stoichiometry problem. Just follow the steps. Post your work if you get stuck.
http://www.jiskha.com/science/chemistry/stoichiometry.html

Answer 2

25.26 g