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Chemistry 13 Online
OpenStudy (anonymous):

how many moles (of molecules or formula units) are in 57.50g CF2Cl2

OpenStudy (cuanchi):

calculate the molecular mass of CF2Cl2 from the atomic mass from the periodic table C+2xF+2xCl C=12g 2x F= 2 x 19g 2x Cl= 2 x 35.5g then divide the mass (57.50g) by the molecular mass and that number is the number of moles

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