nswer the following question. be careful to express your answers with the correct number of significant figures and proper units. data for gas y: barometric pressure from barometer 72.1 cm hg room temperature 22.6 oc volume of gas in syringe 133 ml mass of syringe with gas 90.26 g mass of evacuated syringe. 89.66 g what is the pressure of the gas in atmospheres?