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QUESTION 4 Which is a reasonable mass corresponding to 1040 molecules of a substance? a. 100 ug Ob. 100 ng c. 100 mg od 100 g
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2026 molecules o 1 mol = 6.02*/023 molecules then in 7026 molecules moles a 1026 6.0281023 let Imole = 1 gm 1000 6.02 10 mole

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