미해결 질문
Which best represents the law of conservation of mass?
a. mass of reactants > mass of products
b. mass of reactants < mass of products
c. mass of reactants = mass of products
d. mass of reactants → mass of products
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Law of Conservation of Mass
1:55분서술형 질문
How can the law of conservation of mass apply to a burning log, if all that remains of it is ash?
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