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How many moles of NaCl are in 5 kg of a 10% (by mass) of solution of NaCl?

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter12: Solutions

Section: Chapter Questions

Problem 12.62QE

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Question

How many moles of NaCl are in 5 kg of a 10% (by mass) of solution of NaCl?

b. The amount of energy emitted by a hydrogen atom is -2 x10-18J. Assuming the electron of hydrogen atom was initially at n=4, which principal quantum number will the electron occupy after the atom emitted that amount of energy

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