A. NaCl < C₂H₅OH < CH₃COOH < K₂SO₄ 

B. C₂H₅OH < CH₃COOH < NaCl < K₂SO₄

C. C₂H₅OH < CH₃COOH < K₂SO₄ < NaCl

D. CH₃COOH < NaCl < C₂H₅OH < K₂SO₄

A.  $\mathrm{NaCl}<{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}<{\mathrm{CH}}_3\mathrm{COOH}<{\mathrm{K}}_2{\mathrm{SO}}_4$

B.  ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}<{\mathrm{CH}}_3\mathrm{COOH}<\mathrm{NaCl}<{\mathrm{K}}_2{\mathrm{SO}}_4$

C.  ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}<{\mathrm{CH}}_3\mathrm{COOH}<{\mathrm{K}}_2{\mathrm{SO}}_4<\mathrm{NaCl}$

D.  ${\mathrm{CH}}_3\mathrm{COOH}<\mathrm{NaCl}<{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}<{\mathrm{K}}_2{\mathrm{SO}}_4$

A.  $C{H}_{3}COOH<NaCl<C_2{H}_{5}OH<K_{2}S{O}_4.$

B.  $C_2{H}_{5}OH<C{H}_{3}COOH<NaCl<K_{2}S{O}_4.$

C.  $C_2{H}_{5}OH<C{H}_{3}COOH<K_{2}S{O}_4<NaCl.$

D. $NaCl<C_2{H}_{5}OH<C{H}_{3}COOH<K_{2}S{O}_4.$

A. NaCl < C₂H₅OH < CH₃COOH < K₂SO₄

B. C₂H₅OH < CH₃COOH < NaCl < K₂SO₄.

C. C₂H₅OH < CH₃COOH < K₂SO₄ < NaCl

D. CH₃COOH < NaCl < C₂H₅OH < K₂SO₄