A 2251-g sample of barf dissolved in 3470 ml of solution


Tris(pentafluorophenyl)borane, commonly known by its acronym BARF, is frequently used to initiate polymerization of ethylene or propylene in the presence of a catalytic transition metal compound. It is composed solely of C, F, and B; it is 42.23% C by mass and 55.66% F by mass.

a. What is the empirical formula of BARF?

b. A 2.251-g sample of BARF dissolved in 347.0 mL of solution produces a 0.01267 M solution. What is the molecular formula of BARF?

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Chemical Engineering: A 2251-g sample of barf dissolved in 3470 ml of solution
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