3 Answers
722 views1 Answer
451 viewsC=0.588/490=0.0012g/100ml
0.0012/100=0.000012g in 1ml
0.000012df=0.0006g in the original
%=0.001/0.5100=20
2 Answers
393 views1 Answer
384 views2 Answers
372 views2 Answers
349 views1 Answer
342 views3 Answers
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317 views1 Answer
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293 views1 Answer
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261 views1 Answer
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243 views