•#1: 45.0-g sample = 35.1 g Fe, 9.9 g O
•#2: 215.0-g sample = 167.7 g Fe, 47.3 g O
•are they the same?
•(35.1 g
Fe / 45.0 g total ) • 100 = 78% Fe
•(167.7 g
Fe / 215.0 g total ) • 100 = 78% Fe
•they are the same!
•(the oxygen percents will be the same, too)
•