Mole ConceptHard
Question
From the following reactions, 2CoF2 + F2 → 2CoF3 ,(CH2)n + 4n CoF3 → (CF2)n + 2n HF + 4n CoF2 calculate how much F2 will be consumed to produce 1 kg of (CF2)n. (F = 19)?
Options
A.1.52 kg
B.2.04 kg
C.0.76 kg
D.4.56 kg
Solution
1 mole of F2 ≡ 2 mole of CoF3 ≡$\frac{1}{2n}$ mole (CF2)n
= 38 g =$\frac{1}{2n} \times 50n$= 25 g
∴ Mass of F2 needed = $\frac{38}{25} \times 1$ = 1.52 kg
Create a free account to view solution
View Solution FreeMore Mole Concept Questions
If the ratio of mole fractions of solute and solvent is unity, then the mass percent of solute is(Molar masses of solute...An amount of 2 moles of KClO3 is decomposed completely to produce O2 gas. How many moles of butene C4H8 can be burnt com...It was found from the chemical analysis of a gas that it has two hydrogen atoms for each carbon atom. At 0o C and 1 atm,...Fluorine reacts with uranium hexafluoride UF6 as represented by the following equation.U(s) + 3F2(g) → UF6(g)How many fl...A mixture of 2 × 1021 molecules of P and 3 × 1021 molecules of Q weighs 0.60 g. If the molecular mass of P is 45, then t...