[Lord Hades]

Can the percentage yield for a limiting reagent question be over a 100%? If yes, how so and what are the reasons that it goes over a 100?

I looked this up on the internet but did not find satisfactory answers.

[Maverick]

well funny story actually we were doing a lab and i got a 102% yield and my professor was like omg he created mass and then everybody told me i didnt let the precipatate dry enough and there was still water, so no you can get over 100% yield as far as im aware of

[enahs]

Yes you can get a value over 100%. It is called experimental error.

Clearly, you can not in reality have more then 100% yield if you really made what you said you were going to make from what you said you were going to make it, but it is totally legitimate to have experimental error. Or, you could be forming side products that are heavier (say they add water or oxygen to the molecule) then the main product you calculated, etc etc.