Explain what weight proportions of powder 1 also powder 2, Chemistry

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Explain what weight proportions of powder 1 also powder 2

Powder 1 contains 100 parts per million Sr also has an 87 Sr/86 Sr ratio of 0.7100. Power 2 contains 200 parts per million Sr, as well as has an 87 Sr/86 Sr ration of 0.7250.

a) Explain what weight proportions of Powder 1 also Powder 2 would mix together to give a powder with an 87 Sr/86 Sr ratio of 0.7225?

b) Define what would the concentration of Sr (ppm) be in this mixture?

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Chemistry: Explain what weight proportions of powder 1 also powder 2

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