How many moles are in 3.0 x 10^23 atoms of sulfur?

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

Sugars in a polysaccharide are linked together by bonds to a nitrogen atom a carbon atom an oxygen atom a sulfur atom

Ketones are converted to enolates on treatment with base. draw the structures of the enolates formed when the ketone shown is treated with either lda or tert-butoxide. include all lone pairs of electrons and nonzero formal charges. do not include counter ions.