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Hydrofluoric Acid Sodium Hydroxide
氢氟酸与氢氧化钠之事
昔有学童究于学,闻氢氟酸,其性烈,能蚀玻璃,为他酸所不及。又知氢氧化钠,亦为强物,具碱之性。
一日,学童思二者遇之何状。遂谋于师,师曰:“氢氟酸与氢氧化钠,若相触,则起化应。氢氟酸中氢离,遇氢氧化钠中氢氧根,化而为水。余者,氟离子与钠离子合,成氟化钠。”
学童乃记之,曰:“氢氟酸与氢氧化钠相和,成水与氟化钠,此乃中和之应也。”由是,学童于化理,又进一分。
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+8615651039172
Fanki Shi
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