Предмет: Химия, автор: iakovienko75

CРОЧНО ОСТАЛОСЬ 60 МИН
Расставь коэффициенты в уравнении реакции и дополни её характеристику.
Если перед формулой — коэффициент «1», то ячейку для него оставь пустой.

Na2SO4 +
BaCl2 =
BaSO4↓ +
NaCl.

Реакция возможна .

Признаком реакции является .

Ответы

Автор ответа: Ar1ST0Crat

Ответ:

Na2SO4 + BaCl2 = BaSO4 + 2NaCl

BaSO4 - труднорастворимое вещество, в растворе не диссоциирует на ионы. По этой причине эта реакция возможна

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