金属单质及其化合物混合计算中,求某一成分的含量或消耗酸碱的量值,这类题型的特点是涉及反应多、题干中处理混合物的途经多,若按常规去解,既费时、又易错,探究简单易行的解题技巧,以提高解题速度及准确性,有利于对金属元素及其化合物的复习. Metal elemental and its compound mixture calculation, the content of a component or the amount of consumption of acid-base, the characteristics of such questions is involved in the reaction, the process of dealing with the mixture of more, if the conventional solution, both Time-consuming and error-prone to explore the simple problem-solving skills to improve the speed and accuracy of the problem is conducive to the review of metal elements and their compounds.