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Mathematics 11 Online
OpenStudy (anonymous):

Oxygen makes up 46.7 % of earths crust how many grams of oxygen are present if a sample of earths crust has a mass of 324g

OpenStudy (agl202):

320g x 0.467 = 149.4g of O2 by mass.

OpenStudy (agl202):

Hope I helped u! Medal?

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