請問軟水樹脂 - 水族
By Kama
at 2019-08-30T22:46
at 2019-08-30T22:46
Table of Contents
假設在不同溫度下水的解離常數Kw為定值
熱水取1L 冷水取2L
熱水pH=8.0 氫離子濃度 [H+]=(10)^(-8)
令冷水pH=x 氫離子濃度 [H+]=(10)^(-x)
最後調出的水pH=6.5
可列出以下等式
[(10)^(-8)+3*(10)^(-x)] / 3 = (10)^(-6.5)
(10)^(-x) = 0.000000469341649
x = -log(0.000000469341649)
= 6.33
故需要pH=6.33的冷水
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水族
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