A chemical compound always has the same el ements in the
Chapter 3, Problem 3.1.57(choose chapter or problem)
A chemical compound always has the same elements in the same proportions by mass regardless of the source of the compound. This is a statement of
A. the law of multiple proportions.
B. the law of isotopes.
C. the law of definite proportions.
D. the law of conservation of mass.
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