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7 September, 19:14

The molar mass of carbon dioxide (CO2) is 44.01 g/mol. The molar mass of water (H2O) is 18.01 g/mol. A reaction uses 528 g of CO2. How many moles of water are used in this reaction?

12.0

72.0

216

528

+3
Answers (2)
  1. 7 September, 19:23
    0
    72.0 molar mass of carbon dioxide (CO2) is 44.01 g/mol. The molar mass of water (H2O) is 18.01 g/mol. A reaction uses 528 g of CO2. How many moles of water are used in this
  2. 7 September, 19:42
    0
    12.0

    Explanation:

    Hi, the reaction is:

    H2O + CO2 - -> H2CO3

    Analyzing the reaction result:

    To produce 1 mole of H2CO3 we need 1 mole of H2O for every mole of CO2.

    So, the Stoichiometric ratio between H2O and CO2 is 1:1.

    Applying the formula:

    . n = m/M

    Where:

    . n = number of moles

    . m = mass in grams

    M = grams per mol

    e

    . n = 528 / 44.01 = 11.9972 = 12 mol

    es of C02

    The Stoichiometric ratio IS 1:1, so the number of moles of water used are the same. (12)
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