The density of aluminurn is 2.71 g/cm². Calculate the mass of a piece of aluminum that has a volume of 65 cm

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

How many moles are equivalent to 55.5g of nano3

Embryos of different species look very similar, which shows that the organisms share a ancestor.