Calculate the volume of 30.1 moles of ammonia. If we have 0.072 g of FeCl3 then how many moles are there?

How many molecules are in 3.78 x 10-3 moles of water?

How many molecules of hemoglobin are there in 8.4 x 10-3 g? The molar mass of hemoglobin is approximately 68,000 g/mole.

You would be correct, boiling water does disinfect contamination.    the property of disinfecting means to kill  germs, bacteria and other pathogens or contamination  that might cause an infection or cause a person to become sickly. a couple methods of disinfecting are using soap, other cleaning supplies or by simply "boiling" the contaminate.  the reason why boiling water disinfects certain attributes is because some cells cannot survive the heat and pressure.