【Daily Question No. 014】2018.08.08

2018-08-08View Original

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In a system with chemical reactions, for which types of mass is the law of conservation of mass not applicable? (Multiple-choice question) A. The total molar amount of the system B. The molar amount of a specific component in the system C. The mass of a specific component in the system D. The total mass of the system. The reference answers can be seen after responding; scoring is possible by identifying the key points. A, B, C are correct; 3 points for wealth, 1 point wrong for wealth ； Mass posting of posts – rated based on the lowest score ； Replies that are unrelated to the answer are considered spam and will be deleted immediately.

Reply #22018-08-08

D. (The mass of a certain component in the system remains constant)

Reply #32018-08-08

ABC: A. The total number of moles in the system; B. The number of moles of a specific component in the system; C. The mass of a specific component in the system

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【Daily Question No. 014】2018.08.08

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