6 Na(s) + Al2(SO4)3(aq) + 3 Na2SO4(aq) + 2 Al(s) If 2.4 moles of aluminum sulfate react with 2.8 moles of sodium, calculate
the number of moles of sodium sulfate that will be produced by the
limiting reactant.​

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 of these features are formed when hot groundwater is forced out through cracks in the earth's surface?

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.