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Baking soda (NaHCO3) can be made in large quantities by
the following reaction:

NaCl(aq) + NH3(aq) + CO2(aq) + H2O(ℓ) →
NaHCO3(s) + NH4Cl(aq)

If 10.0 g of NaCl reacts with excesses of the other reactants
and 4.2 g of NaHCO3 is isolated, what is the percent yield
of the reaction?