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Barium Is a Nonessential Element in the Human Body, but Some

Question 26

Multiple Choice

Barium is a nonessential element in the human body, but some organisms build exoskeletons using barium sulfate, which has a Ksp of 1.1 1010 at 25C. What is the mass of barium in 1.0 L of a saturated solution of barium sulfate at 25C?


A) 4.1 g
B) 1.4 mg
C) 3.7 mg
D) 7.3 g
E) 15 ng

Correct Answer:

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