bacl2+na2so4=2nacl+baso4
n(Na2so4)= m/M=1.42/334=0,003 моль
n(bacl2)=1/2 n(na2so4)= 0,003/2=1 моль
m(bacl2)= M*n= 208*1=208 г
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bacl2+na2so4=2nacl+baso4
n(Na2so4)= m/M=1.42/334=0,003 моль
n(bacl2)=1/2 n(na2so4)= 0,003/2=1 моль
m(bacl2)= M*n= 208*1=208 г