What is the percentage of water in CoCl₂ • 6H₂O?

Name: What is the percentage of water in CoCl₂ • 6H₂O?
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Question

Quizplus · Accepted Answer

Cobalt(II) chloride hexahydrate (CoCl₂ • 6H₂O) consists of one cobalt atom, two chlorine atoms, and six water molecules. The molar mass of CoCl₂ is 58.93 (Co) + 2*35.45 (Cl) = 129.83 g/mol. The molar mass of 6H₂O is 6*18.015 = 108.09 g/mol. The total molar mass of CoCl₂ • 6H₂O is 129.83 + 108.09 = 237.92 g/mol. The percentage of water is (108.09 / 237.92) * 100 = 45.4%.

What Is the Percentage of Water in CoCl₂ • 6H₂O