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Help. I need help!

 

What is the percentage of water in the hydrate CoCI2 * 6H2O? Show your work.

 Feb 21, 2018
 #1
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Atomic mass Cobalt ≈ 59

atomic mass Chlorine ≈ 35.5

atomic mass H2O ≈ 18

 

Percentage water = 100*6*18/(59  + 2*35.5 + 6*18)

I’ll leave you to finish the calculation.

 Feb 21, 2018
edited by Alan  Feb 21, 2018

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