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Chemistry 9 Online
OpenStudy (anonymous):

Someone please help? iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.547 grams of iron and 10.5 mL of 0.526M copper(II) sulfate react to form as much product as possible, how many millimoles (mmol) of the non-limiting reactant will remain unused at the end of the reaction?

OpenStudy (anonymous):

Fe + CuSO4 = Cu + FeSO4

OpenStudy (anonymous):

molar mass of Fe is 55.85. 0.547 g of Fe. 0.0098 mol of Fe

OpenStudy (anonymous):

10.5 mL = 0.0105 L 0.0105 x 0.526 = 0.0055 mol of CuSO4

OpenStudy (anonymous):

0.0055 < 0.0098 Therefore CuSO4 is the limiting reagent

OpenStudy (anonymous):

0.0098 - 0.0055 = 0.004294

OpenStudy (anonymous):

4.29 mmol of CuSO4 remains unused in the reaction!

OpenStudy (anonymous):

Sorry I just looked at this now, I figured it out haha. I wasn't realizing that the volume was in mL.

OpenStudy (anonymous):

but thankyou

OpenStudy (anonymous):

no problem

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