化學(xué)平衡反應式兩邊在質(zhì)量或起反應的純凈電荷方面的均等
Equality of mass and net electric charge of reacting species on each side of an equation.
兩性的具有酸和堿的特征的，既能作為酸又能作為堿進(jìn)行化學(xué)反應的
Having the characteristics of an acid and a base and capable of reacting chemically either as an acid or a base.
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