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K1ovdavivorD
K1ovdavivorD K1ovdavivorD
  • 30-07-2016
  • Chemistry
Answered

If a sample of pure calcium (Ca) contains 4.69 x 1022 atoms of iodine, how many moles of calcium are in the sample?. A) 0.0779 mol. . B) 0.130 mol. C) 7.78 mol. D) 12.8 mol

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oopsydaisy
oopsydaisy oopsydaisy
  • 03-08-2016

If a sample of pure calcium 9Ca) contains 4.69 x 1022 atoms of iodine, there are 0.0779 moles of calcium in the sample. The correct answer will be A.

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