October 2021 0 1 Report
Помогите написать уравнение по химии,проcтые,но меня не было.цифры,это индексы. Mg + H2SO4=
BaCl2 + H2SO4=
Na2SO4 + BaCl2=
Na2CO3 + BaCl2=
BaCo3 = H2So4=
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