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Question #73859

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May 6, 2017

An excess of ammonia MAY solubilize chromium salts............

Explanation:

#Cr(III+)# typically forms a #[Cr(NH_3)_6]^(3+)# complex ion, whose formation we could represent by the following equation:

#Cr^(3+) + 6NH_3(aq) rarr [Cr(NH_3)_6]^(3+)#

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