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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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) b( [$ Z: W; v0 B% Jalkaline 对应名词 alkali
0 ~! u$ i* f* L: E' U) obasic 对应名词 base Q0 [5 U! |( I3 U- x' k" g0 m
! z4 B$ L5 R' I. a6 w2 QThe terms "base" and "alkali" are often used interchangeably, particularly outside the context of chemistry and chemical engineering.- a9 u9 z7 O% D( }5 Z% g `; c" `0 C
! Y: o4 ^: I1 C1 m2 X) B3 JThere 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., A2 P, L5 v. b% I6 _7 F. g# I
- d7 ?4 K9 R$ w1 K8 r1. A basic salt of an alkali metal or alkaline earth metal[2] (this includes Mg(OH)2 (magnesium hydroxide) but excludes NH3 (ammonia)).+ M( j' c2 U& b" X# o& N7 K
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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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4 E u% h* [& b+ J" I6 d; l+ [base 是怎么定义的呢?自己看书去。 |
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