Concept explainers
(a)
Determine the absolute mass of silver, copper and gold metal in a 253-gram medal.
(a)
Answer to Problem 36AAP
The absolute mass of silver, copper and gold metal in a medal is
Explanation of Solution
Express the relative mass of silver.
Here, molecular mass of silver is
Express the relative mass of copper.
Here, molecular mass of copper is
Express the relative mass of gold.
Here, molecular mass of gold is
Express the absolute mass of silver in medal
Here, mass of medal is
Express the absolute mass of copper in medal
Express the absolute mass of gold in medal
Conclusion:
Write the molecular mass of silver, copper and gold.
Write the value of Avogadro’s number.
Substitute
Substitute
Substitute
Substitute
Hence, the absolute mass of silver in a medal is
Substitute
Hence, the absolute mass of copper in a medal is
Substitute
Hence, the absolute mass of gold in a medal is
(b)
Determine the absolute mass of silver and copper metal in a 253-gram medal.
(b)
Answer to Problem 36AAP
The absolute mass of silver and copper in a medal is
Explanation of Solution
Express the relative mass of silver.
Express the relative mass of copper.
Express the absolute mass of silver in medal
Express the absolute mass of copper in medal
Conclusion:
Substitute
Substitute
Substitute
Hence, the absolute mass of silver in a medal is
Substitute
Hence, the absolute mass of copper in a medal is
(c)
Determine the absolute mass of tin and copper metal in a 253-gram medal.
(c)
Answer to Problem 36AAP
The absolute mass of tin and copper in a medal is
Explanation of Solution
Express the relative mass of tin.
Here, molecular mass of tin is
Express the relative mass of copper.
Express the absolute mass of tin in medal
Express the absolute mass of copper in medal
Conclusion:
Write the molecular mass of tin.
Substitute
Substitute
Substitute
Substitute
Hence, the absolute mass of tin and copper in a medal is
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Chapter 4 Solutions
Foundations of Materials Science and Engineering
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