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7 December, 00:44

How many grams of hcl can be produced if 7.25 g of cl2 is reacted with an unlimited supply of h2?

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  1. 7 December, 03:20
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    The equation for the reaction is as follows

    H₂ + Cl₂ - - - > 2HCl

    the stoichiometry of Cl₂ to HCl is 1:2

    this means that for every 1 mol of Cl₂ that reacts, 2 moles of HCl are produced.

    Since there's excess of H₂, Cl₂ is the limiting reactant. Number of HCl moles produced are twice the number of Cl₂ moles reacted.

    Mass of Cl₂ reacted = 7.25 g

    Moles of Cl₂ reacted = 7.25 g / 70.9 g/mol

    = 0.10 mol

    moles of HCl produced - 0.10 mol x 2

    = 0.20 mol

    mass of HCl = 0.20 mol x 36.46 g/mol

    = 7.29 g
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