If 100 atoms of element X contains 70 atoms of 9X and 30 atoms of...

Chemistry

WAEC 2009

If 100 atoms of element X contains 70 atoms of ⁹X and 30 atoms of ¹¹X, calculate the relative atomic mass of X

A. 9.6
B. 10.6
C. 11.6
D. 20.0

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Correct Answer: Option A

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If 100 atoms of element X contains 70 atoms of 9X and 30 atoms of...

Correct Answer: Option A

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