A Gold (Au) has a face-centered cubic structure with a unit cell edge length of 407.8 pm. What is the calculated value of the density of gold based on this information? 1 pm =1 x 10 -10 Avogadro's number = 6.022 x 1023 Molar mass of gold = 197 g/mol cm. Selected Answer: O d. 4.82 g/cm3 Answers: O a. 19.28 g/cm3 b. 11.6 g/cm3 c. 15.78 g/cm d. 4.82 g/cm3

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Gold (Au) has a face-centered cubic structure with a unit cell edge length of 407.8 pm. What is the calculated value of the density of gold based on this information?
pm = 1 x 10
-10
cm.
Avogadro's number = 6.022 x 1023 Molar mass of gold = 197 g/mol
Selected Answer:
O d. 4.82 g/cm3
Answers:
O a. 19.28 g/cm3
b. 11.6 g/cm3
c. 15.78 g/cm3
d. 4.82 g/cm3
e. 9.64 g/cm3
Transcribed Image Text:Gold (Au) has a face-centered cubic structure with a unit cell edge length of 407.8 pm. What is the calculated value of the density of gold based on this information? pm = 1 x 10 -10 cm. Avogadro's number = 6.022 x 1023 Molar mass of gold = 197 g/mol Selected Answer: O d. 4.82 g/cm3 Answers: O a. 19.28 g/cm3 b. 11.6 g/cm3 c. 15.78 g/cm3 d. 4.82 g/cm3 e. 9.64 g/cm3
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