8 A solution of hydrochloric acid had a hydrogen ion concentration of 1.0 mol/dm3
Water was added to the hydrochloric acid until the pH increased by 1
What was the hydrogen ion concentration of the hydrochloric acid after water had
been added?

Tick (V) one box.
100 mol/dm3
10 mol/dm3
0.10 mol/dm3
0.010 mol/dm3​

Can someone me with questions 12 and 13 plz.

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?