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the isotopic abundance of C-12

indium(atomic wt.= 114.82 u ) has two naturally occuring isotopes, the predominant one from has isotopic wt. 114.9041 and
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Rubidium has two naturally occurring isotopes: 85Rb and 87Rb. The natural abundance of 85Rb is 72.165% and it has an isotopic
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2. asked by IRA
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the isotopic abundance of C-12 and c-14 is 98% and 2% by mass respectively. what would be the no. of atoms of c-14 isotope in
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on chemical scale, the relative mass of the isotopic mixture of x atoms (x^20,x^21,x^22) is approximately equal to:(x^20 has 99
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Naturally occuring boron is composed of only two isoptopes 10/5B and 11/B with isotopic masses of 10.0129 and 11.00931
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2. asked by felpin
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Calculate the atomic mass of silicon given the mass and natural occurrence of each isotope. Round your answer to the hundredths
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2. 106 views
strontium consists of four isotopes with masses of 84 (abundance 0.50%) 86,( abundance of 9.9%), 87 (abundance of 7.0%) and 88
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2. asked by Anonymous ;)
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The isotopic abundance of naturally occurring hydrogen is as follows:1H 99.985 atom % 2H 0.015 atom% When H2 gas is formed from
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2. asked by Jane
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calculate the atomic mass of oxygen if the three common isotopes of oxygen have masses of 15.995% amu (99.75% abundance), 16.995
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2. asked by Anonymous ;)
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The average atomic mass of iridium is 192.22u, if iridium-191 has an atomic mass of 190.961u and an isotopic abundance of 37.3%
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2. asked by Deepa( Exam prep question)
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