# Problem: Explain why a sample of pure water at 40 °C is neutral even though [H 3O+] = 1.7 × 10−7 M. Kw is 2.9 × 10−14 at 40 °C.

🤓 Based on our data, we think this question is relevant for Professor Selampinar's class at UCONN.

###### Problem Details

Explain why a sample of pure water at 40 °C is neutral even though [H 3O+] = 1.7 × 10−7 M. Kw is 2.9 × 10−14 at 40 °C.