Cr2(SO4)3 + 3Ba(NO3)2 = 3BaSO4 +2 Cr(NO3)3
2Cr(+3) + 3SO4(-2) + 3Ba(+2) + 6NO3(-) = 3BaSO4 + 2Cr(+3) + 6NO3(-)
3Ba(+2) + 3SO4(-2) = BaSO4
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Verified answer
Cr2(SO4)3 + 3Ba(NO3)2 = 3BaSO4 +2 Cr(NO3)3
2Cr(+3) + 3SO4(-2) + 3Ba(+2) + 6NO3(-) = 3BaSO4 + 2Cr(+3) + 6NO3(-)
3Ba(+2) + 3SO4(-2) = BaSO4