Asked by Hannah


4. Suppose that an excess of propane, C3H8 , burns in 320 g of oxygen, How many moles of water will be formed?
C3H8 + 5 O2 --> 3 CO2 + 4 H2O
(1 point)
6.02 E 23 moles
1600 moles
4.0 moles
8.0 moles
Answered by Scott
molar mass of O₂ is 32 g

5 moles O₂ yields 4 moles H₂O
Answered by semisi caucau
5:4=320:x,so 5x=1280 therefore x =256mol of water
Answered by DrBob222
You didn't convert 320 g O2 to mols first.
mols O2 = 320/32 = 10; then
10 x 5/4 = 8.00 mols H2O formed.
Answered by vvvvv
8.0 moles
Answered by vvvvv
4.0 moles
Answered by Ella
18.75 mol H2O
Answered by victoria
i need an answer for an equation for chemistry
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