Homework Answers
Molar mass of CaCl2 = 111 grams / moles
Moles of CaCl2 = mass / molar mass
= 255 / 111
= 2.2973
1 mole CaCl2 have 2 mole of Cl ( look formula )
2.2973 mole CaCl2 will have = 2*2.2973 = 4.5946 moles
Mass of Cl = mole * molar mass
= 4.5946 * 35.5
= 163.1083 grams
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