How many grams would 3.0 x 10^24 molecules of Al2(SO4)3 weigh

In saturated organic compounds, all the bonds between carbon atoms are called?

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.

Which diagram represents the phase tha occurs after a solid melts?