Chemistry
JAMB 2016
The relative atomic mass of a naturally occurring lithium consisting of 90%\(\frac{7}{3}\)Li and 10%\(\frac{6}{3}\)Li is
-
A.
6.2
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B.
6.8
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C.
7.1
-
D.
6.9
Correct Answer: Option D
Explanation
(\(\frac{90}{100}\) x 7) + (\(\frac{10}{100}\) x 6)
= 6.3 + 0.6 = 6.9
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