August 2021 0 7 Report
Замените вопросы на формулы необходимых веществ и расставьте коэффициенты в полученных схемах хим.реакций. MgCO3+?=?+CO2+H2O
?+HNO3=KNO3+CO2+H20
?+?=VaSO4+LiNo3
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