#6) Calculate the mass of carbon (in grams) in 541 g of acetic acid.

(Write only the numerical answer in the space provided, give 3 sig figs)

#7) Determine the volume of hexane (C6H14) in liters that contains 8.3 1025 molecules of hexane. The density of hexane is 0.6548 g/mL and its molar mass is 86.17 g/mol.

(Give only the numerical answer in the space provided and give 3 sig figs in your answer).