According to the law of multiple proportions: a) the total mass is the same after a chemical change as before the change. b) it is not possible for the same two elements to form more than one compound. c) the ratio of the masses of the elements in a compound is always the same. d) if the same two elements form two different compounds, they do so in the same ratio. e) none of these
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According to the law of multiple proportions: a) the total mass is the same after a chemical change...
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