समान तापमान पर जलीय विलयनों के निम्नलिखित युग्मों पर विचार कीजिए: A. 1 M NaCl और 2 M यूरिया B. 1 M CaCl2 और 1.5 M KCl C. 1.5 M AlCl3 और 2 M Na2SO4 D. 2.5 M KCl और 1 M Al2(SO4)3 दिए गए विलयनों के युग्मों में से कितने युग्म समपरासारी (आइसोटोनिक) होंगे?

Mixture of chloroform and acetone forms a solution with negative deviation from Raoult's law due to:

Identify the correct statements: A. The molality of 2.5 g of ethanoic acid (Molar mass: 60 g mol-1) in 75 g of benzene solution is 0.556 m. B. The molarity of a solution containing 5 g of NaOH (molar mass: 40 g mol-1) in 450 mL of solution is 0.278 M at 298 K. C. Aquatic species are more comfortable in cold water. D. The solubility of gas increases with decrease in pressure. E. For a binary mixture of A and B, the number of moles of A and B are nA and nB respectively. The mole fraction of B will be χB = nAnA + nB Choose the correct answer from the options given below: