An experiment with ⁵⁵Co takes 47.5 hours.At the end of the experiment,1.90 ng of ⁵⁵Co remains.If the half life is 18.0 hours,how many ng of ⁵⁵Co were originally present? A)2.47 ng B)3.05 ng C)3.28 ng D)11.8 ng

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The Answer of An experiment with ⁵⁵Co takes 47.5 hours.At the end of the experiment,1.90 ng of ⁵⁵Co remains.If the half life is 18.0 hours,how many ng of ⁵⁵Co were originally present? A)2.47 ng B)3.05 ng C)3.28 ng D)11.8 ng

An Experiment with 55Co Takes 47

An Experiment with ⁵⁵Co Takes 47