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23-11-2020
Chemistry

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Given the following isotopes of strontium, calculate the average atomic mass.
43.65% strontium at a mass of 87.05 amu, and 48.24% of strontium at a mass of 87.93 amu and 8.11% of strontium at a mass of 87.50 amus.

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dattafi dattafi

23-11-2020

Answer:

87.5198

Explanation:

(43.65 * 87.05) + (48.25 * 87.93) + (8.11 * 87.50) = 8751.98

8751.98 / 100 = 87.5198

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