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OpenStudy (anonymous):
A student reported the following percentages foe his unknown mixtures: 25%NH4Cl, 30%NaCl, and SiO2. Assuming that the calculations were done correctly, explain the student's error.
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OpenStudy (anonymous):
Please help, i dont understand.
OpenStudy (anonymous):
and percentage of SiO2 is?
OpenStudy (anonymous):
50%
OpenStudy (anonymous):
Sorry
OpenStudy (anonymous):
why does it have to be students error?! it can be error of the method :)
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OpenStudy (anonymous):
Can it be? Error of method, i didnt think of that....
OpenStudy (anonymous):
every method has certain uncertainty within and uncertainty brings error
OpenStudy (anonymous):
Ok thanks.
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