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A) \[26\,g\,mo{{l}^{-1}}\]
B) \[28\,g\,mo{{l}^{-1}}\]
C) \[30\,g\ mo{{l}^{-1}}\]
D) \[32\,g\,mo{{l}^{-1}}\]
E) None of these
Correct Answer: B
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