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Problem: Lithium crystallizes in a body-centered cubic unit cell. What is the mass of one unit cell in grams?

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FREE Expert Solution

We’re being asked to calculate the mass of 1 unit cell when lithium (Li) crystallizes in a body-centered cubic unit cell.


A body-centered cubic (BCC) unit cell is composed of a cube with one atom at each of its corners and one atom at the center of the cube


We’re going to calculate the mass of 1 unit cell using the following steps:

Step 1: Determine how many atoms are present in 1 unit cell.
Step 2: Calculate how many moles is present in the unit cell.
Step 3: Calculate the mass using the molar mass of the atom.

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Problem Details

Lithium crystallizes in a body-centered cubic unit cell. What is the mass of one unit cell in grams?

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What scientific concept do you need to know in order to solve this problem?

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Based on our data, we think this problem is relevant for Professor Fayissa's class at GMU.