Concentration of cacl2 in mass percent
An aqueous solution of CaCl2 has a vapor pressure of 83.0mmHg at 50 C . The vapor pressure of pure water at this temperature is 92.6mmHg . What is the concentration of CaCl2 in mass percent?
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Calculate the empirical formula of hydrated ferrous ammonium sulfate, Fea(NH4)b(SO4)c(H2O)d, from the following data.
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