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

Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?

How many moles of ccl4 are in 3.55l

The molar mass of cu is 63.55 g/mol. the number of grams of cu produced in this reaction is