Using improved chemistry equipment in the late 1700s, chemists observed that mass is neither created nor destroyed in a chemical reaction. This scientific law is called the law of

gravity.

definite proportions.

conservation of momentum.

conservation of mass.

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Valeria Dalton

10 September, 06:43

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Ari Adams · Answer 1

Ari Adams 10 September, 07:34

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The law of conservation of mass

Using improved chemistry equipment in the late 1700s, chemists observed that mass is neither created nor destroyed in a chemical reaction. This scientific law is called the law ofgravity.definite proportions.conservation of momentum.conservation of mass.