A student adds 3.50 g of dry ice (solidCO2 ) to an empty balloon. What will be the volume of the balloon at STP after all the dry ice sublimes (converts to gaseousCO2 )?

Answer 1

mol of CO2 is 12+32 = 44 grams
so we have
3.5/44 = .08 mol of CO2
at stp 22.4 liters/mol
.08*22.4 = 1.78 liters