Calculate the pH for the following aqueous solution and identify it as an acid or a base if the Hydrogen ion [H⁺] Molarity = 1.0 x 10⁻¹² *

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

60.0 - there are 3 significant numbers