СРОЧНО
m(BaCl2)=20,8 грамм
W(Bacl2)= 10%
M(BaCl2)=208 гр/моль
M(BaSO4)= 233 грамм/моль
m(BaSO4)=?
v(BaCl2)=?
Уравнение
Na2SO4+BaCl2=2NaCl+BaSO4
ПОМОГИТЕ
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