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The relative abundance of C-12 and C-13 are respectively 98.892 and 1.108. If the atomic mass of C-12and C-13 are 12u and 13.00335u ,respectively, calculate the average atomic mass of carbon.?
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The relative abundance of C-12 and C-13 are respectively 98.892 and 1....
Calculating the Average Atomic Mass of Carbon
To calculate the average atomic mass of carbon, we need to take into account the relative abundances and atomic masses of its two isotopes, C-12 and C-13.
Step 1: Convert the relative abundances to decimal form
We can convert the relative abundances of C-12 and C-13 into decimal form by dividing each percentage by 100.
- C-12: 98.892% = 0.98892
- C-13: 1.108% = 0.01108
Step 2: Calculate the weighted average of the atomic masses
Next, we can use the decimal abundances to calculate the weighted average of the atomic masses of C-12 and C-13.
Average atomic mass of carbon = (0.98892 x 12u) + (0.01108 x 13.00335u)
= 11.86702u + 0.14391u
= 12.0109u
Therefore, the average atomic mass of carbon is approximately 12.0109u.
Explanation: The average atomic mass of carbon is the weighted average of the atomic masses of its two isotopes, C-12 and C-13. The relative abundances of these isotopes must be taken into account when calculating the average atomic mass. The formula for calculating the average atomic mass is: (abundance of isotope 1 x atomic mass of isotope 1) + (abundance of isotope 2 x atomic mass of isotope 2). In this case, we used the decimal form of the relative abundances to calculate the average atomic mass of carbon.
To calculate the average atomic mass of carbon, we need to take into account the relative abundances and atomic masses of its two isotopes, C-12 and C-13.
Step 1: Convert the relative abundances to decimal form
We can convert the relative abundances of C-12 and C-13 into decimal form by dividing each percentage by 100.
- C-12: 98.892% = 0.98892
- C-13: 1.108% = 0.01108
Step 2: Calculate the weighted average of the atomic masses
Next, we can use the decimal abundances to calculate the weighted average of the atomic masses of C-12 and C-13.
Average atomic mass of carbon = (0.98892 x 12u) + (0.01108 x 13.00335u)
= 11.86702u + 0.14391u
= 12.0109u
Therefore, the average atomic mass of carbon is approximately 12.0109u.
Explanation: The average atomic mass of carbon is the weighted average of the atomic masses of its two isotopes, C-12 and C-13. The relative abundances of these isotopes must be taken into account when calculating the average atomic mass. The formula for calculating the average atomic mass is: (abundance of isotope 1 x atomic mass of isotope 1) + (abundance of isotope 2 x atomic mass of isotope 2). In this case, we used the decimal form of the relative abundances to calculate the average atomic mass of carbon.
Community Answer
The relative abundance of C-12 and C-13 are respectively 98.892 and 1....
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The relative abundance of C-12 and C-13 are respectively 98.892 and 1.108. If the atomic mass of C-12and C-13 are 12u and 13.00335u ,respectively, calculate the average atomic mass of carbon.?
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The relative abundance of C-12 and C-13 are respectively 98.892 and 1.108. If the atomic mass of C-12and C-13 are 12u and 13.00335u ,respectively, calculate the average atomic mass of carbon.? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The relative abundance of C-12 and C-13 are respectively 98.892 and 1.108. If the atomic mass of C-12and C-13 are 12u and 13.00335u ,respectively, calculate the average atomic mass of carbon.? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The relative abundance of C-12 and C-13 are respectively 98.892 and 1.108. If the atomic mass of C-12and C-13 are 12u and 13.00335u ,respectively, calculate the average atomic mass of carbon.?.
The relative abundance of C-12 and C-13 are respectively 98.892 and 1.108. If the atomic mass of C-12and C-13 are 12u and 13.00335u ,respectively, calculate the average atomic mass of carbon.? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The relative abundance of C-12 and C-13 are respectively 98.892 and 1.108. If the atomic mass of C-12and C-13 are 12u and 13.00335u ,respectively, calculate the average atomic mass of carbon.? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The relative abundance of C-12 and C-13 are respectively 98.892 and 1.108. If the atomic mass of C-12and C-13 are 12u and 13.00335u ,respectively, calculate the average atomic mass of carbon.?.
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