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CHEM HELP
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CHEM HELP
Questions (2)
the density of alcohol is 0.789 g/ ml at 20 degree celcius . calculate the mass of a 30 ml sample?
3 answers
544 views
4 questions! I put stars next to the answers I think are right.
. In the following reaction, how many moles of FeO are needed to
3 answers
568 views
Answers (1)
Ah, so 1 would be 2.4? As for 2, I've tried it again and I got 90g
