February 28, 2017

Homework Help: chemistry

Posted by K on Sunday, September 15, 2013 at 12:43pm.

So I did an experiment at school in which we had to form 2.00 grams of precipitate by mixing 2 hydrated compounds. So for the products, obviously one of it is water, and the other 2 products are compounds, one of which, is insoluble. So when I measured the amount of precipitate it was less than 2.00 grams, I had gotten a percent yield of about 75% or 76%, so I need to address 2 sources of error, 1) why was the percent yield lower, and 2) what would cause for the percent yield to be higher than 100%?

So since my percent yield is lower than 100%, that means I added to much water to it? and if my percent yield was too high that would mean I used too much precipitate?

Please tell me if I am right, or correct me if I am wrong, thanks for your help :)

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