Which element is identified by the chemical symbol c

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?