Chemisty

An excess of aqueous AgNO3 reacts with 43 mL of 5 M K2CrO4(aq)to form a precipitate. what is it? What mass of precipitate is formed?
answer in g

asked by Anonymous
  1. 2AgNO3 + K2Cr2O7 ==> Ag2Cr2O7 + 2KNO3

    mols K2Cr2O7 = M x L = ?
    mols Ag2Cr2O7 =mols K2Cr2O7
    Then g Ag2Cr2O7 = mols Ag2Cr2O7 x molar mass A2Cr2O7

    posted by DrBob222

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