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A certain sample of element Z contains 60% of 69Z and 40% of 71Z. What is the relative atomic mass of element Z in this sample?
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A certain sample of element Z contains 60% of 69Z and 40% of 71Z. What is the relative atomic mass of element Z in this sample?

User Bagwell
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Answer:

The relative atomic mass of element Z in this sample is 70.

Step-by-step explanation:

The relative atomic mass of element Z in this sample is 69.6.

User Williamli
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