A sample of carbon contained 98.90% carbon-12 and 1.10% carbon-13.
Use this information to calculate the relative atomic mass of carbon in the sample.
Give your answer to two decimal places.
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Answered by
4
Answer:
A sample of carbon contained 98.90% carbon-12 and 1.10% carbon-13.
Use this information to calculate the relative atomic mass of carbon in the sample.
Give your answer to two decimal places.
Answered by
7
Answer:
12.01 g
Explanation:
Isotopes Isotopic mass % Abundance
¹²C 12 98.9
¹³C 13 1.10
Average Atomic Mass = (12 × 98.9) + (13 × 1.1) / 98.9 + 1.1
= 1186.8 + 14.3 / 100
= 1201.1 / 100
= 12.01 g
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