The mass of a bottle is 20g. When it is filled with water, the total mass measured by the balance is 120g. If the bottle is filled to the third power of 1,8 × 10 kg / m, how many kg can be filled at most?

180 G

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10. The density of Jinlongyu brand edible oil sold in the shopping mall is 920kg / m3, and the bottle trademark has the word "5L". What is the mass of the oil? If the mass of the oil pot is 100g, what is the total mass?
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19. If someone goes to the store to buy 5kg of oil with the density of 0.8 * 10 cubic kg / m3, but he only has a bottle with the maximum capacity of 0.5kg of water on hand, he should bring such a bottle Can you plan to list it?
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