40. Solving a chemistry problem
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176. Make molecular reaction equations that are expressed by ion-molecular equations:
a) Zn2 H2S = ZnS 2H
b) HCO3- H = H2O CO2
c) AgCl- = AgCl
a) Zn2 H2S = ZnS 2H
b) HCO3- H = H2O CO2
c) AgCl- = AgCl
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