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13 November, 02:29

Which coefficient of O2 is needed to balance the equation C3H8 + O2 → 3CO2 + 4H2O?

a. 2

b. 3

c. 5

d. 6

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Answers (1)
  1. 13 November, 04:32
    0
    Your answer would be (c) 5.

    The left side currently only has 2 oxygens, and the right has 10 oxygens. So in order to turn 2 in to 10, add the coefficient 5.
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