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7.89 x 1021 particles is equal to how many moles?
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Who discovered a pattern to the elements in 1869?
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An unknown insoluble substance displaced the water shown. it's mass is indicated on the triple beam balance. mass = a. 694 b. 693.5 c. 693.0 d.693.8
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If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1
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An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o
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7.89 x 1021 particles is equal to how many moles?...
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