Choose the only right variant to complete the sentence. - вопрос №921495 от SOFIA0209 16.03.2020 00:48

Question

Другие предметы: Choose the only right variant to complete the sentence. Curl was … hair, and as the gold it shone, and spread out as a fan large and broad.

SOFIA0209 · Answer

5 H2SO4 + 4 Mg = H2S + 4 H2O + 4 MgSO4   для этого существует электронный баланс. S(+6)+8e=S(-2)  |1 Mg(0)-2e=Mg(+2)|4 ...