一道化学计算解热镇痛药阿司匹林(乙酰水杨酸)是一种一元酸,其pKa=3.50,服用后以未离解的分子型体在胃中被吸收.如果患者先吃了调节胃液酸度的药物,使得胃的内容物的酸度保持为pH=2.95,
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![一道化学计算解热镇痛药阿司匹林(乙酰水杨酸)是一种一元酸,其pKa=3.50,服用后以未离解的分子型体在胃中被吸收.如果患者先吃了调节胃液酸度的药物,使得胃的内容物的酸度保持为pH=2.95,](/uploads/image/z/11190602-2-2.jpg?t=%E4%B8%80%E9%81%93%E5%8C%96%E5%AD%A6%E8%AE%A1%E7%AE%97%E8%A7%A3%E7%83%AD%E9%95%87%E7%97%9B%E8%8D%AF%E9%98%BF%E5%8F%B8%E5%8C%B9%E6%9E%97%EF%BC%88%E4%B9%99%E9%85%B0%E6%B0%B4%E6%9D%A8%E9%85%B8%EF%BC%89%E6%98%AF%E4%B8%80%E7%A7%8D%E4%B8%80%E5%85%83%E9%85%B8%2C%E5%85%B6pKa%3D3.50%2C%E6%9C%8D%E7%94%A8%E5%90%8E%E4%BB%A5%E6%9C%AA%E7%A6%BB%E8%A7%A3%E7%9A%84%E5%88%86%E5%AD%90%E5%9E%8B%E4%BD%93%E5%9C%A8%E8%83%83%E4%B8%AD%E8%A2%AB%E5%90%B8%E6%94%B6.%E5%A6%82%E6%9E%9C%E6%82%A3%E8%80%85%E5%85%88%E5%90%83%E4%BA%86%E8%B0%83%E8%8A%82%E8%83%83%E6%B6%B2%E9%85%B8%E5%BA%A6%E7%9A%84%E8%8D%AF%E7%89%A9%2C%E4%BD%BF%E5%BE%97%E8%83%83%E7%9A%84%E5%86%85%E5%AE%B9%E7%89%A9%E7%9A%84%E9%85%B8%E5%BA%A6%E4%BF%9D%E6%8C%81%E4%B8%BApH%3D2.95%2C)
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