Question

The density of mercury is 13.5 g/mL and the density of water is 1.00 g/mL. If a mercury barometer reads 677 mmHg, what is the barometric pressure in cmH2O?

Answer 1

802 mm Hg X 13.5/1 = 10827 mm H2O X (1 cm/10 mm) = 1083 cm H2O = 1.08 X 10^3 cm H2O