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What is the mass of a 2.5 mole sample of MgO2
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What is the mass of a 2.5 mole sample of MgO2

User Keshav
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1 Answer

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mass = no. of moles x molecular weight
m = n x Mr
m = 2.5 mol x (24 + [16 x 2])
m = 140g
User Brian Antonelli
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