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Hi. can some one please explain me the solution for this question. the correct answer is A. thanks.

6. What is the concentration of Co(aq) ions in the solution made by adding water to cobalt(II) nitrate (0.50 mol) and ethylen

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Answer #1

SOLUTION : Initial conc. of cott (aq) = no. of moles volume of solution 0.5 3 mol L Initial cone of = 0.17 M ethylenediamineNow solve the above equation for x.

The final concentration of Co(II) ion = 0.17- x

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