October 2021 1 44 Report
11. (a) допишите уравнения получения углекислого газа и расставьте коэффициенты:
Na2CO3+...--->Co2 стрелочка вверх +...

b) укажите, с помощью раствора какого вещества можно обнаружить присутствие CO2?______________​
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