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9 questions from this quiz
Mass of reactants equals mass of products
No atoms are created or destroyed
Number of atoms of each element
Numbers in front of formulas
N2+3H2→2NH3N_2 + 3H_2 \rightarrow 2NH_3N2+3H2→2NH3
Write the unbalanced equation
6 on each side
Sum of reactants' MrM_rMr equals products'
Total mass of all atoms in a compound
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