The Half-Life of 134Ba Is 28

question 29

Multiple Choice

The half-life of 134Ba is 28.7 hours. How much of a 11.2 g sample of 134Ba will be left after 24.00 hours? Round to the nearest hundredth of a gram.

• A)12.55 g
• B)4.70 g
• C)6.27 g
• D)20.00 g
• E)8.71 g

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