【简答题】![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
将α-萘酸及1-羟基-α-萘酸的固体混合试样0.1402g溶于约50mL甲基异丁酮中,用0.1790mol/L氢氧化四丁基铵的无水异丙醇溶液进行电位滴定,所得滴定曲线上有两个明显的终点,第一个在加入滴定剂3.58mL处,第二个是在加入滴定剂5.19mL处。求α-萘酸及1-羟基-α-萘酸在固体混合试样中的质量分数。(α-萘酸的摩尔质量为172g/mol,1-羟基-α-萘酸的摩尔质量为188g/mol)
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAA5ElEQVRYR2NkGGDAOMD2M+B0wKpVq9huv/jbxPD/fxwDA4MkhQ59zsDIuEhVgrkuLCzsF7JZOB3QOml5B8P//+UUWoyqnZGxszovsoI4B0xc9gyfzxmZmb2rcsK3IRvWMWm599///7fgcfTz6vwoKWId8B+f75kZGX0q8iK3kugAhur8KJRQxx0FE5fhdQC5UTPqgNEQGA2B0RAYDYHREBgNgaETAuTW96TqG7yt4tbRFhGRIQBqHTP9+8dIoDUMTxqk5AK8zXKYiaDWMYhNpANIaJYPdMdkwLtmpOZnctUPeDkAAP6tmiH1ggTLAAAAAElFTkSuQmCC)
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