acidity

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acidity

Friday, 17 November 2006 01:00

Acidity is a measure of the number of free hydrogen ions (H+) in a solution that can chemically react with other substances.

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52795 Round-leaved Sundew	The only words that ever satisfied me as describing Nature are the terms used in fairy books, charm, spell, enchantment. They express the arbitrariness of the fact and its mystery. ~ Chesterton
桃園龜山 - 咖啡先生 / Mr. Coffee	桃園龜山 - 咖啡先生 / Mr. Coffee
Rome Under An Acid Sky	the green girl measures her ph level

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