Dancek

This page lists questions and answers that were posted by visitors named Dancek.

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The following questions were asked by visitors named Dancek.

Answers

The following answers were posted by visitors named Dancek.

Fe2 has oxidation number +III and (SO4)3 has ox. n -II. Its a cross rule. Now is whole molecule in electroneutral state. O has ox. number -II and and (SO4) is -II,so S has ox number VI, because4*-II (O)= -VIII + VI (S) is -II
9 years ago