Ba(NO3)2(0,01)+Na2SO4-->BaSO4(0,01)+Na2(NO3)2
n(Ba(NO3)2)=2,61:261=0,01моль
m(BaSO4)=n×M=0,01×233=2,3грамма
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Ba(NO3)2(0,01)+Na2SO4-->BaSO4(0,01)+Na2(NO3)2
n(Ba(NO3)2)=2,61:261=0,01моль
m(BaSO4)=n×M=0,01×233=2,3грамма