If 40.0 grams of catalyst are used to speed up a reaction involving 30.0 g of reactant, how many grams of catalyst should be left when the reaction is complete?

Question

If 40.0 grams of catalyst are used to speed up a reaction involving 30.0 g of reactant, how many grams

of catalyst should be left when the reaction is complete?

Answer 1

40 g of catalyst should be left when the reaction is complete. The reason for this is because part of the definition of a catalyst is that IT IS NOT CONSUMED DURING THE REACTION.