October 2018 2 48 Report

Prosze o pomoc !

Dobierz współczynnikistechiometryczne w podanych reakcjach chemicznych:

a)Ca(NO_3)_2+Na_2CO_3-----Ca CO_3+Na NO_3

b)NaCl+H_2SO_4------HCL+Na_2SO_4

c)AgNO_3+MgCl_2------AgCl+Mg(NO_3)_2


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