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OpenStudy (anonymous):
The radius of a hydrogen atom is about 0.37Å, and the average radius of the earth's orbit around the sun is about 1.5x10^8 km. Find the ratio of the average radius of the earth's orbit to the radius of the Hydrogen atom.
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OpenStudy (aaronq):
\(\sf \dfrac{radius ~of~earth}{radius~ of~H~atom}\)
OpenStudy (aaronq):
by the way, \(\sf 1~ km=1.0*10^{13}~Å\)
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