Determine the enthalpy of vaporization, in kJ/mol, of CH, OH if 19.0 kJ of heat is needed to vaporize 0.500 moles of CH, OH.

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m