In the balanced chemical equation:
2C8H18(g) + 25O2(g) → 16CO2(g) + 18H2O(g)
The coefficient in front of the water molecule (H2O) is 18. This means that 18 moles of water are produced for every 2 moles of C8H18(g) reacted.
Therefore, if 2 moles of C8H18 react, 18 moles of water are produced.
How many moles of water are produced in 2C8H18(g) + 25O2(g) →16CO2(g) +18 H2O(g)
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