A compound containing a metal atom with molar mass 93.47g / mol combines with oxygen to form a compound that is 74.50 M. What is the empirical formula of this compound ?

How many grams of aluminum will there be in 98g of al2o3?

Which characteristics can be used to differentiate star systems? check all that apply.

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world