Solutions: NEET 2026

Medium· Concentration Terms (Molality (M))· +4 / −1

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

n_A

and

n_B

respectively. The mole fraction of B will be

x_B=\dfrac{n_A}{n_A+n_B}

. Choose the correct answer from the options given below:

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Solutions: NEET 2026

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