12. Find the pH of a solution when the poH is 12. a.
pH= -2
b. pH = 14
cpH= 2
d. pH = 7

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?

Why are pipes bursting in the in extremely cold weather?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.