Chemistry · Laws of Chemical Combination

When two or more substances react completely in a closed system, what is observed regarding the total mass?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1There is a net loss of mass.
2There is a net gain of mass.
3The total mass is conserved.✓
4Mass converts completely into space.

Correct answer

The total mass is conserved.

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