Consider an atom traveling at 3.859% the speed of light. The de Broglie wavelength is found to be 0.00123 pm. What is the molar mass of this element in g/mol?

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Chapter6: Electronic Structure And The Periodic Table
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Problem 77QAP: In 1885, Johann Balmer, a mathematician, derived the following relation for the wavelength of lines...
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Consider an atom traveling at 3.859% the speed of light. The de Broglie wavelength is found to be 0.00123 pm. What is the molar mass of this element in g/mol?

(Do not include units in your answer. If you round during your calculation make sure to keep at least 3 decimal places. Report your answer to 1 decimal place.)

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