A 25ml sample of HCL was added to a 0.1g sample of CaCO3. All the CaCO3 reacted, leaving some excess HCL.
CaCO3 + 2HCL--> CaCl2+H2O+CO2
The excess HCL required 43.82 ml of 0.01185M Ba(OH)2 to complete the following reaction. What was the Molarity of the orginal HCL?
2HCL+Ba(OH)2--> BaCl2 +2H2O