Explain in acidic aqueous solution the purple complex ion

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Reference no: EM13680362

In acidic aqueous solution the purple complex ion Co(NH3)5Br2+ undergoes a slow reaction in which the bromide ion is replaced by a water molecule soft the pinkish-orange complex ion - Co(NH3)5(H2O)3+ Co(NH3)5Br2+Purple(aq)+H2O(l)? Co(NH3)5(H2O)3+Pinkish?orange(aq)+Braq

The reaction is first order in Co(NH3)5Br2 + the rate constant at 25C is 6.3×106 s1 as well as the initial concentration of Co(NH3)5Br2+ is 0.100 M.

A) Explain what is its molarity after a reaction time of 19.0h?

B) Define how many hours are required for 69% of the Co(NH3)5Br2+ to react?

Reference no: EM13680362

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