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ParisChiyann

Which of the following does NOT show the law of conservation of mass? 24 g of Mg burn in 32 g O2 to produce 56 g of MgO. 24 mL of Mg burn in 32 mL O2 to produce 56 mL of MgO. 2 atoms of Mg react with 1 molecule of O2 to produce 2 units of MgO. 1 atom of Mg reacts with 1 atom of O to produce a unit of MgO that contains 2 atoms.

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spraguer (Moderator)
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