October 2021 0 29 Report
Напишите исход реакций Mg + H2SO4=
NaCl + HCl=
Na2SO4 + HCl =
Fe(OH)2 +HNO3 =
Cu+HCl =
Au + H2SO4 =
H3PO4 +H2SO4=
NaCl + HNO3
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