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  4. A certain rock has a mass ratio of 87 strontium/Rubedium {87Sr 87Rb} in the ratio...

A certain rock has a mass ratio of 87 strontium/Rubedium {87Sr 87Rb} in the ratio...

A certain rock has a mass ratio of 87 strontium/Rubedium {87Sr 87Rb} in the ratio 0.007:1.00. The 87Rb is a better emitter with a half-life of 50,000years. what is the age of the rock?
In Chemistry
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Asked by Olive-Branch on 27th February, 2018
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