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化学计算可从量的方面来反映物质的组成、结构、性质及其变化规律,是历年高考化学试题的压轴题,它具有情境新颖、信息量大、化学知识丰富、覆盖面广、综合性强等特点.它不但能用来考查考生的思维能力和自学能力,还用来考查考生应用各方面知识
Chemical calculations can reflect the composition, structure, properties and changes of substances from the aspect of quantity. It is the final topic of chemistry examination questions in the college entrance examination. It has novel situations, large amounts of information, rich chemical knowledge, wide coverage, and strong comprehensiveness. Features. It can not only be used to examine the examinee’s thinking ability and self-learning ability, but also used to examine the candidate’s application of various aspects of knowledge.