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?
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

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