physical chem

when 60.26g of VCl₄ was added to 1000g of solvent,freezing point of solvent was depressed by 5.415Â°.Kf=29.9.calculate the no. of dimers,V₂Cl₈ .

5 Answers

physical chem.!!!!!!!!!

try this too!

1357

Manish Shankar ·2009-04-06 22:12:09

moles of VCl₄ initially is n=60.26/193

VCl₄---------------->V₂Cl₈
n 0
n-Î± Î±/2

total moles at equilibrium=n-Î±/2

initial moles=n

i=(n-Î±/2)/n=1-Î±/2n

Î”T_f=ik_fm=iK_fW/M

i=MÎ”T_f/WK_f=1-Î±/2n

Î±/2=n-Î”T_f/K_f=0.13 moles

same ans

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω