Silicon crystallizes in a cubic structure. If the edge length of the unit cell is 543 pm and the density of the crystal is 2.33 g/cm3, how many Si atoms are in one unit cell?
Silicon crystallizes in a cubic structure. If the edge length of the unit cell is 543 pm and the density of the crystal is 2.33 g/cm3, how many Si atoms are in one unit cell?
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter11: Liquids And Solids
Section: Chapter Questions
Problem 11.74QE
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![Silicon crystallizes in a cubic structure.
If the edge length of the unit cell is 543
pm and the density of the crystal is
2.33 g/cm3, how many Si atoms are in
one unit cell?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa7ff945e-6d49-45a1-b098-17b8b0d56d1c%2Fd3e7a401-1579-42e6-9f16-de0f07f7fc6c%2Fskd6rv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Silicon crystallizes in a cubic structure.
If the edge length of the unit cell is 543
pm and the density of the crystal is
2.33 g/cm3, how many Si atoms are in
one unit cell?
![Aunt Julie went to the jewelry store
to buy a gift for her amiga. As an aunt
from Poveda, she knows that the
karat scale is based on mass
percentages. She was also informed
by Uncle Bruno that pure gold is
equivalent to 24 karats. If she bought
a bracelet made of gold alloy that is
50 mol% silver and 50 mol% gold,
what is the karat number of the
bracelet?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa7ff945e-6d49-45a1-b098-17b8b0d56d1c%2Fd3e7a401-1579-42e6-9f16-de0f07f7fc6c%2Fpljrbn7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Aunt Julie went to the jewelry store
to buy a gift for her amiga. As an aunt
from Poveda, she knows that the
karat scale is based on mass
percentages. She was also informed
by Uncle Bruno that pure gold is
equivalent to 24 karats. If she bought
a bracelet made of gold alloy that is
50 mol% silver and 50 mol% gold,
what is the karat number of the
bracelet?
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