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18 December, 14:20

When potassium chromate (K2CrO4) is added to a solution containing 0.500 g silver nitrate (AgNO3), solid silver chromate (Ag2CrO4) is formed. a)  Determine the theoretical yield.

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  1. 18 December, 16:09
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    Theoretical Yield = 0.4882 grams

    Explanation:

    Potassium Chromate = K2CrO4 Molar mass: 194.1896 g/mol

    Silver Nitrate = AgNO3 Molar mass: 169.87 g/mol

    Silver (I) Chromate = Ag2CrO4 Molar mass: 331.73 g/mol

    Potassium Nitrate = KNO3 Molar mass: 101.1032 g/mol

    K2CrO4 + 2AgNO3 = Ag2CrO4 + 2KNO3

    Potassium Chromate + Silver Nitrate = Silver (I) Chromate + Potassium Nitrate

    Ratio 1:2 = 1:2

    0.5g AgNO3

    AgNO3 Molar mass: 169.87 g/mol

    2AgNO3 = 339.74grams

    0.5/339.74 = 0.0014717

    Ag2CrO4 Molar mass: 331.73 g/mol

    0.4882 grams

    Theoretical Yield = 0.4882 grams
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