How many grams of Cl are in a 38.0-g sample of the chlorofluorocarbon C2F3Cl3?

CF3Cl = 1 Carbon + 3 Fluorine + 1 Chlorine

[1 x (12.011 grams/mol)] + [3 x (18.988 grams/mol)] + [1 x (35.453 grams/mol)] = 104.428 grams/mol

38.0 grams x (1 mol /104.428 grams) = 0.364 moles CF3Cl

0.364 moles CF3Cl x (1 mole Cl / 1 mole CFCl3) = 0.364 moles Cl

Chlorine = 35.453 grams/mole

0.364 moles x (35.453 grams / 1 mole) = 12.9 grams of chlorine in 38.0 grams of CF3Cl

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Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.