Boron has only to naturally occurring isotopes. The mass of boron-10 is 10.01294 amu and the mass of bornon-11 is 11.00931 amu. Calculate the relative abundances of the two isotopes

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australopithecus · Answer

I answered this already

australopithecus · Answer

The value on the periodic table for boron is based on the ratio of naturally occurring isotopes. Therefore you can just set up a system of equations to solve for the ratio

australopithecus · Answer

Question isn't appearing oh well I told you how to solve it, it is a pretty easy question really If you understand system of equations

anonymous · Answer

may be this link http://www.questionhub.com/YahooAnswers/20090201194258AAiOqJ0 to find the right answer