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How many grams of MgCO3 contain 24.00 g of oxygen? (The molar mass of MgCO3 is 84.30 g mol–1)

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How many grams of MgCO<sub>3</sub> contain 24.00 g of oxygen? (The molar mass of MgCO<sub>3</sub> is 84.30 g mol<sup>–1</sup>)






 
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