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MoiraLabkovsky991 MoiraLabkovsky991
  • 04-04-2014
  • Chemistry
Answered

Propane and oxygen react according to the equation: C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(g).

How many grams of water can be produced from the complete combustion of 2.0 moles of C₃H₈(g)?

A144.0
B82.0
C8.0
D44.8
E22.4

Verified Answer :

jydclix
jydclix jydclix
  • 04-04-2014

1mole of propane produced 4 moles of water
44g of propane produced 18×4=72g of water
2moles of propane=2×44=88
44:72
88:x
44x=88×72
x=2×72
x=144.0grams option (a)

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