Asked by lillian
when 6 M NaOH is slowly added to a solution containing chromium (III) ion, a precipate forms. However when an excess of 6 M NaOH is added, the precipated dissolves forming a complex ion with a coordination number of four.
1) write the formula of the precipitate.
2) write the formula of the complex ion.
i don't know how to do it
1) write the formula of the precipitate.
2) write the formula of the complex ion.
i don't know how to do it
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