How many grams of magnesium chloride are needed to make a 4.4 liters of 3.4M solution?

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

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.

Light waves are as they pass through the