The elevation in boiling point for 1 molal solution of non-volatile solute A is 3 K. The depression in freezing point for 2 molal solution of A in the same solvent is 6 K. The ratio of and i.e., is

Question

The elevation in boiling point for 1 molal solution of non-volatile solute A is 3 K. The depression in freezing point for 2 molal solution of A in the same solvent is 6 K. The ratio of  and  i.e.,  is 1 : X. The value of X is

Canvas Classes · Accepted Answer

Strategy:
 Calculate  and  separately using the given coligative properties and molalities, then find their ratio.

Step 1: Calculate 
 for 1 molal solution ().

Step 2: Calculate 
 for 2 molal solution ().

Step 3: Determine the ratio

Thus, , which means .

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