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发表于 2023-3-1 17:57:06
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本帖最后由 entropy 于 2023-3-1 18:02 编辑
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6 Q4 @9 b! b1 _0 Jalkaline 对应名词 alkali/ \2 r% t: G# D8 F! \5 [# ]
basic 对应名词 base
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4 K+ V! o* f7 a9 q) w6 W3 r1 zThe terms "base" and "alkali" are often used interchangeably, particularly outside the context of chemistry and chemical engineering.5 b, Z% H0 z+ x) s! ?" Q7 z
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There are various, more specific definitions for the concept of an alkali. Alkalis are usually defined as a subset of the bases. One of two subsets is commonly chosen.
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1. A basic salt of an alkali metal or alkaline earth metal[2] (this includes Mg(OH)2 (magnesium hydroxide) but excludes NH3 (ammonia)).+ H, O1 O% ^9 P y0 @) e! E
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2. Any base that is soluble in water and forms hydroxide ions[3][4] or the solution of a base in water.[5] (This includes both Mg(OH)2 and NH3, which forms NH4OH.)
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base 是怎么定义的呢?自己看书去。 |
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