If a 284 - 002 b 502 - 004 c 2171 - 006 and d 949 -
If [a = 2.84 (+/-) 0.02], [b = 5.02 (+/-) 0.04], [c = 21.71 (+/-) 0.06], and [d = 9.49 (+/-) 0.04], calculate the absolute uncertainty in y if y = (a+b)/(c-d).
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Why is anhydrous sodium sulfate added to the organic solution remaining after the extractions with 6M NaOH
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