Homework Help: Chemistry

Posted by Hannah on Monday, October 3, 2011 at 8:48pm.

A)What mass of carbon dioxide is produced from the complete combustion of 7.00×10−3 g of methane?

B)What mass of oxygen is needed for the complete combustion of 7.00×10−3 g of methane?

Chemistry - DrBob222, Monday, October 3, 2011 at 9:03pm
Here is a link that will work all of your stoichiometry problems. Just follow the steps.
http://www.jiskha.com/science/chemistry/stoichiometry.html
Chemistry - bobpursley, Monday, October 3, 2011 at 9:05pm
Write the balanced equation.

CH4+2O2 >> CO2 + 2H20

for each mole of carbon dioxide produced, one mole of methane, and two moles of oxygen is used.

Moles methane: .007/(16.04)

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