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Chemistry, 05.07.2019 10:30 JeroMii

Which of the following laboratory procedures best illustrates the law of conservation of mass? reacting 12 g of c with 32 g of o2 to form 44 g of co2 and unused reactants weighing 100 g of cu powder and 100 g of fe filings heating 100 g of caco3 to produce 56 g of cao dissolving 10 g of nacl in 100 g of water

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