156k views
3 votes
Comparing Solutions

Which of these statements best explains why pure water has a pH of 7?
Pure water contains only H2O molecules, but pH is based on the concentration of H3O+ ions.
Each molecule of water can dissociate to form 7 H30+ ions.
Water self-ionizes to form an equilibrium system that has [H3O+] = 1.0 x 10-7 M.
DONE
1) Intro

2 Answers

1 vote

Answer:

C

Explanation:

Water self-ionizes to form an equilibrium system that has [H3O+] = 1.0 × 10–7 M

User Archarius
by
5.2k points
0 votes

Answer: Water self-ionizes to form an equilibrium system that has [H3O+]=1.0 x 10-7 M.

Explanation:

User Adam Owczarczyk
by
5.1k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.