What is the percent composition of oxygen in Iron(III) oxide? (Round to three sig figs) Fe2O3 159.7g/mol
Fe =55.85 x 2 =111.7 g/mol
O = 16.00 x 3 = 48.00 g/mol

_% O

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !