Chemistry, 11.12.2019 22:31, recklessunreached

1. how does a balanced chemical equation show that mass is conserved?

it has the same coefficients on both sides of the equation.
it has the same element symbols on both sides of the equation.
it has the same number of atoms of each element on both sides of the equation.
it has the same number of molecular formulas on both sides of the equation.

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