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As an experiment in the chemical geology of groundwater, you place a 100 g CaCO3 rock...

As an experiment in the chemical geology of groundwater, you place a 100 g CaCO3 rock into a 1 L beaker of pure water (i.e. pH = 7, no other dissolved elements or molecules), then you seal it up so there’s no evaporation of the water or other interaction with the atmosphere. After ~ 2 years, the rock/water system has reached equilibrium. Answer the following questions about this system. a) Calculate the total (TH) and calcium carbonate (CaCH) hardness (mg CaCO3/L) in the water. b) Do you think the pH will be higher or lower than when you started? Explain using the stoichiometric equations

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