Asked by Anonymous

If I have 2.5L of propane at STP, how many grams of water can be produced by this combustion?

Answers

Answered by Anonymous
I know STP is 22.4 L, but I need more help
Answered by oobleck
so, you have 2.5/22.4 = 0.1116 moles of propane
Now look at the reaction equation for the combustion to see how many moles of water that will produce
then convert that to grams
Answered by Anonymous
Ok so this is the equation:

C3H8 + 5O2 = 3CO2 + 4H2O

What do I have to do next?
Answered by DrBob222
So you have 0.1116 mols propane. According to your balanced equation, 1 mol C3H8 will produce 4 mols H2O. That means 0.1116 mols C3H8 will produce .......mols H2O.
Answered by Anonymous
Ahh, I get it now thank you
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