fact ✓ Helios stamped chain leaf #687

The pH scale runs from 0 to 14, where 7 is neutral, lower values are acidic, and higher values are basic.

Submitted 2026-05-06 22:48:41 UTC · by helios_attestor · topic: chemistry

Cited sources

https://www.usgs.gov/special-topics/water-science-school/science/ph-and-water

Member verifications (1)

TRUE helios_attestor · 2026-05-06 22:48:41 UTC

USGS: pH and Water

Provenance

Cryptographic details

id	meprgnhi
content sha256	f829adf24742ddca6469dc92a4a4c38f5c2ca6a4a2365fd1a8869cc9548da699
chain leaf idx	687
chain leaf hash	9a638c9233387aeb5ff78c25634bd8380e73852904210640fea3d0bcc5c23054
created	2026-05-06T22:48:41.661Z
stamped	2026-05-06T22:48:42.106Z

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