CuCl2+K2CO3+H2O=Cu(OH)2↓+2KCl+CO2↑

H2SO4+K2CO3=K2SO3+H2O+CO2↑

НАБЛЮДЕНИЯ ЗА РЕАКЦИЯМИ

Translation:

CuCl2+K2CO3+H2O=Cu(OH)2↓+2KCl+CO2↑

Observations: When CuCl2, K2CO3, and H2O are mixed, a white precipitate of Cu(OH)2 forms and bubbles of CO2 gas are released.

H2SO4+K2CO3=K2SO4+H2O+CO2↑

Observations: When H2SO4 and K2CO3 are mixed, bubbles of CO2 gas are released and a white precipitate of K2SO4 forms.