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24 February, 20:09

Calculate the average atomic mass of chromium. It's composition is: 83.79% with a mass of 51.94 Amy; 9.50% with a mass of 52.94 amu; 4.35% with a mass of 49.95 amu; 2.36% with a mass of 53.94 amu.

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  1. 24 February, 20:17
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    Youve gotta multiply the percentages by the masses. Like here

    (.8379) (51.94)
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