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QUESTION
Oxygen makes up 46.7(%) by mass of Earth's crust. How many grams of oxygen are present if a sample of Earth's crust has a mass of 328\({\rm g}\)g ?
Oxygen makes up 46.7(%) by mass of Earth's crust. How many grams of oxygen are present if a sample of Earth's crust has a mass of 328({rm g})g ?
