o2 make up of 467 percent by mass of earths crust if a, Ask an Expert

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O₂ make up of 46.7 percent by mass of Earth's crust. if a sample of Earth's crust has a mass of 325 grams then Determine how many grams of Oxygen are present?

An expandable vessel has 0.864 grams of O₂ gas At 4.00 liters volume . if you require a total of 1.36 grams of O₂ gas in the vessel then determine how many liters of O₂ gas should be mixed at constant temperature and pressure?

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