Calculate the mass of a cylindrical cork of diameter 1.00 inches and length 2.50 inches. pay attention to significant figures, cork density 0.26 g/ ml

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.

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?

Which diagram represents the phase tha occurs after a solid melts?