## Chemistry and Chemical Reactivity (9th Edition)

$0.0022\ g$
From Henry's Law: $S=k_HP$ $S=1.3\times10^{-3}\ mol/kg.bar\times 40\ mmHg\times1\ bar/750.06\ mmHg=6.93\times10^{-5}\ mol/kg$ Assuming a density of 1 kg per liter: $6.93\times10^{-5}\ mol/kg\times 1.0\ kg/L\times 1.0\ L\times 32.00\ g/mol=0.0022\ g$