Asked by paul
                0.43g limestone and 98cm3 of carbon dioxide are produced on reaction with excess hydrochloric acid. How much calcium carbonate is present?
            
            
        Answers
                    Answered by
            bobpursley
            
    You have to know pressure, temp to do this.
    
                    Answered by
            paul
            
    Standard temp and pressure
    
                    Answered by
            DrBob222
            
    I don't get it. Limestone IS CaCO3. The reaction of limestone with HCl is as follows. You need to rephrase because limestone is not produced by reaction with HCl. 
CaCO3 + 2HCl ==> CO2 + H2O + CaCl2
    
CaCO3 + 2HCl ==> CO2 + H2O + CaCl2
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