## Chemistry and Chemical Reactivity (9th Edition)

All these values are very similar, in the range of 24.2 to 25.4, with an average of 24.8 J/mol.K. Using the average value: $24.8 J/mol.K\div 107.868\ g/mol=$ $0.230\ J/g.K$ Remarkably close to the actual value: $0.236\ J/g.K$