Chemistry
Erlinda749
2016-04-11 08:47:06
galium has a weighted average atomic mass of 69.7 and two naturally occurring isotopes: Gallium-69 and Gallium-71. Gallium-69 has a relative abundance of 60.1% and a mass of 68.9. The relative abundance of gallium-71 is 39.9%. Based on the information, what is the mass of gallium-71?
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Brodie7
2016-04-11 14:30:21

Figure it out yet????

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