4. Lithium bromide crystalizes as shown (right) where the lithium ions are represented as white circles and the bromide ions are represented as filled circles. Give all answers to four significant figures. (a) What is the mass of one unit cell in grams? (b) If the density of LiBr is 3.464 g/mL, what is the edge length of the unit cell in pm? (c) Calculate the Li–Br distance in the crystal structure in pm.

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Chapter14: Liquids And Solids
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4. Lithium bromide crystalizes as shown (right) where the lithium ions are
represented as white circles and the bromide ions are represented as
filled circles. Give all answers to four significant figures.
(a) What is the mass of one unit cell in grams?
(b) If the density of LiBr is 3.464 g/mL, what is the edge length of
the unit cell in pm?
(c) Calculate the Li-Br distance in the crystal structure in pm.
Transcribed Image Text:4. Lithium bromide crystalizes as shown (right) where the lithium ions are represented as white circles and the bromide ions are represented as filled circles. Give all answers to four significant figures. (a) What is the mass of one unit cell in grams? (b) If the density of LiBr is 3.464 g/mL, what is the edge length of the unit cell in pm? (c) Calculate the Li-Br distance in the crystal structure in pm.
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