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793 atoms of a particular isotope weigh 2.2394 x 10^-19 grams. If the isotope contains 69 protons, how many neutrons are in the nucleus?

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  • 793 atoms of a particular isotope weigh 2.2394 x 10^-19 grams. If the isotope contains 69 protons, how many neutrons are in the nucleus?


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How many protons are there in the nucleus ... 13 C is the isotope of carbon that contains 7 neutrons. ... One mole contains 6 x 10 23 atoms. Thus, 8 grams ...
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Positive: 45 %
... of a particular isotope weigh 2.2394 x 10^-19 grams. If the isotope contains 69 protons, how many neutrons ... 793 atoms of a particular isotope weigh ...
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Positive: 42 %