How many atoms of oxygen are in 3.45g of Na2SO4
2 answers:
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Answer: The image from the question has the correct answers.
Explanation:
As summarized in the attached table.
Answer : The must be administered.
Solution :
As we are given that a vial containing radioactive selenium-75 has an activity of .
As, 3.0 mCi radioactive selenium-75 present in 1 ml
So, 2.6 mCi radioactive selenium-75 present in
Conversion :
Therefore, the must be administered.