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Поцелуй Чувственность
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Answer: 498 grams/mole (77.85-76.50)/5.03 = 0.268 kg/mole (15.0 g(1 kg/1000 g) = 0.0150 kg (0.268 mole/kg)(0.0150 kg) = 0.00402 moles Molecular Weight = 2.00 g/0.00402 moles = 498 g/mole I hope this quick step-by-step help as much as you or anyone would
