46.1k views
2 votes
What is the pH of normal rainfall?

User Hemant Rao
by
8.2k points

2 Answers

5 votes
Water contains atmospheric gases as well as carbon dioxide, and when the carbon dioxide dissolves it forms carbonic acid, which makes the pH of normal rain about a 5.6 on the pH scale.
User Casey Patton
by
8.0k points
3 votes
Normal rain water has a pH of around 5.0
User Bhaumik Patel
by
8.3k points

No related questions found