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Lara N.

asked • 07/09/16

Please help me with this!!

Oxygen is composed of three isotopes: oxygen-16, oxygen-17 and oxygen-18 and has an average atomic mass of 15.9980 amu. Oxygen-17 has a mass of 16.992 amu and makes up 0.035% of oxygen. Oxygen-16 has a mass of 15.982 amu and Oxygen-18 has a mass of 17.984 amu. What is the percent abundance of Oxygen-18? 

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Abbey C. answered • 07/09/16

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Michael W. answered • 07/09/16

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problem solving in general chemistry

Lara N.

Can you please double check my work? I got a negative number but it would have been 0.4487
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07/09/16

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