Cuántos moles de carbono hay en 405.0 mg de grafito?

How many atoms are there in 5.70 mol of mg

Which characteristics can be used to differentiate star systems? check all that apply.

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.