izdoctor23773 izdoctor23773

16-01-2017
Chemistry

contestada

Which of the following is the closest to the observed abundance of 71Ga, one of two stable gallium isotopes (69Ga and 71Ga). The answer in the book shows 40%, and I have absolutely no idea how to solve this. Please help!

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NFLfootballisme NFLfootballisme

16-01-2017

the outcome of that will be 44

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