Cr2O−27+HSO−3⇋Cr(H2O)5SO+4+SO−24
write in that everything is aqueous
Cr2O−27+HSO−3⇋Cr(H2O)5SO+4+SO−24
write in that everything is aqueous
δ+δ+\delta ^+ or δ+δ+\delta ^+, noting they are of the same magnitude, just opposite in sign
you wrote down the same sign for both when it appears that one is supposed to be negative and the other positive