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CaCO3(s) + 2 HCl(aq) --> CaCl3(aq) + H2O(l) + CO2

It takes 19.26 mL of 0.6721 M HCl to completely react with the CaCO3. What is the mass of CaCO3 in the tablet?
didnt mean to cal you

  • chemistry -

    First correct the formula for calcium chloride to CaCl2.
    mols HCl required = M x L = ?
    mols CaCO3 = 1/2 that from the coefficients.
    grams CaCO3 = mols CaCO3 x molar mass CaCO3

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