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过量题解法初探富平县立诚中学吴宗俊过量计算作为一种重要的化学计算类型,在高中化学计算中有着重要的地位。过量计算主要包括过量判断和过量讨论两种题型。一、过量判断当一个化学反应的两种或多种反应物的用量都已知时,在进行化学计算时,首先应进行过量判断,然后再...
Over-problem solution method Fuping County Licheng Middle School Wu Zongjun Over-calculation as an important type of chemical calculation, has an important position in the high school chemistry calculation. Over-calculation mainly includes over-judgment and excessive discussion of two types of questions. First, excessive judgment When a chemical reaction of two or more reactants are known, when performing chemical calculations, should be over-judgment first, and then ...