t t a. 0.33 mol of an element has a mass of 1.0 10-3 g. O unreasonable O reasonable problems aga b. The mass of one molecule of water is 1.80 x 10-0 O unreasonable O reasonable c. There are 3.01 x 1023 atoms of Na in 0.500 mol of Na. O unreasonable O reasonable d. The molar mass of CO2 is 44.0 kg/mol. O unreasonable O reasonable