Explain the initial concentration of co(nh3)5br2+ is 0.100 m

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Reference no: EM13682436

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 yielding 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)+Br?(aq...

The reaction is first order in Co(NH3)5Br2+ the rate constant at 25 ?C is 6.3×10?6 s?1 and the initial concentration of Co(NH3)5Br2+ is 0.100 M.

A) Explain What is its molarity after a reaction time of 20.0h ?

B) Explain how many hours are required for 75% of the Co(NH3)5Br2+ to react?

Reference no: EM13682436

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