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29 January, 09:19

1. Use the equation below for the following question.

C3H2 (g) + 502 (g) → 3CO2 (g) + 4H2O (g)

If 5.0 moles of C3H8 (g) react, how many molecules of water are formed?

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Answers (1)
  1. 29 January, 10:24
    0
    120.44 * 10²³ molecules

    Explanation:

    Given dа ta:

    Moles of C₃H₈ = 5.0 mol

    Molecules of water produced = ?

    Solution:

    Chemical equation:

    C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

    Now we will compare the moles of C₃H₈ and water.

    C₃H₈ : H₂O

    1; 4

    5 : 4*5 = 20 mol

    Molecules of water:

    1 mole = 6.022 * 10²³ molecules

    20 mol*6.022 * 10²³ molecules / 1 mol

    120.44 * 10²³ molecules
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