How many moles are in 22.2 grams of Calcium chloride, CaCl2?

A. 0.2 moles
B. 0.3 moles
C. 0.4 moles
D. 0.5 moles

¨       molar mass of CaCl2 = atomic mass of Ca + (2 x atomic mass of Cl) = 40.08 g/mol + (2 x 35.45 g/mol) = 110.98 g/mol

¨       Now, we can calculate the number of moles of CaCl2:

¨       moles of CaCl2 = mass of CaCl2 / molar mass of CaCl2 = 22.2 g / 110.98 g/mol = 0.2 mol



Submitted by :- Jamil Ahmed

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