interconverting atmospheres and torr

Question

The vapor pressure of water at 25°C  is 23.8 torr. Calculate the vapor pressure in mmHg and atm. Round each of your answers to 3 significant digits. 

Answer 1

The temperature isn’t important here. You need the conversions between torr, mmHg and atm

1atm = 760 torr = 760 mm Hg

23.8 torr = 23.8 mmHg ( 1 torr = 1 mmHg)

23.8 torr x (1atm/760 torr) = 0.0313 atm

3 sig figs given in problem, so 3 sigfigs needed in answer.