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please answer all of it Potassium is the second most abundant metal in the human body. Calculate the following: (a) The number of atoms in

please answer all of it
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Potassium is the second most abundant metal in the human body. Calculate the following: (a) The number of atoms in 7.73 moles of potassium. x 10 atoms Enter your answer in scientific notation. (b) The number of moles of potassium that contains 9.23 x 1025 atoms. x 10 mol Enter your answer in scientific notation

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