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In a sample of 400 lithium atoms, it is found that 30 atoms are lithium-6 (6.015 amu) and 370 atoms are lithium-7 (7.016 amu). What is the average atomic mass?

In a sample of 400 lithium atoms, it is found that 30 atoms are lithium-6 (6.015 amu) and 370 atoms are lithium-7 (7.016 amu). What is the average atomic mass?
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In a sample of 400 lithium atoms, it is found that 30 atoms are lithium-6 (6.015 amu) and

370 atoms are lithium-7 (7.016 amu). What is the average atomic mass?

asked
User KrMa
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9.0k points

1 Answer

6 votes

Answer:

667.3

Step-by-step explanation:

answered
User Xximjasonxx
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8.2k points
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