समुद्र तल पर प्रयोगशाला प्रयोगों के लिए निम्नलिखित में से कौन सी सांद्रता इकाई अधिक उपयुक्त है क्योंकि इसका मान वर्ष के किसी भी दिन तापमान के उतार-चढ़ाव से स्वतंत्र (अपरिवर्तित) रहता है?

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: