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
8.0 moles
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.
18.75 mol H2O
4.0 moles
i need an answer for an equation for chemistry
molar mass of O₂ is 32 g
5 moles O₂ yields 4 moles H₂O