1.00 g of a non- electrolyte solute (molar mass 250 g mol^-1) was dissolved in 51.2 g of benzene. If the freezing point depression constant, K_f of benzene is 5.12 K Kg mol^-1, the freezing point of benzene will be lowered by:

0.4 K

0.3 K

0.5 K

0.2 K

Solution

0.4 K

Molality of non- electrolyte solute

$fraction numerator begin display style fraction numerator weight space of space solute space in space gram over denominator molecular space weight space of space solute end fraction end style over denominator weight space of space solvent space in space kg end fraction equals space fraction numerator begin display style 1 over 250 end style over denominator 0.0512 end fraction space equals space fraction numerator 1 over denominator 250 space straight x space 0.0512 end fraction space equals space 0.0781 space straight m increment straight T subscript straight f space equals space straight k subscript straight f space straight x space molality space of space solution equals space 5.12 space straight x space 0.0781 space equals space 0.4 space straight K$

Some More Questions From Solutions Chapter

Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving 1.0 g of polymer of molar mass 185,000 in 450 mL at 37⁰C.

Suppose a solid solution is formed between two substances, one whose particles are very large and the other whose particles are very small. What kind of solid solution is this likely to be?

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Solutions

1.00 g of a non- electrolyte solute (molar mass 250 g mol^-1) was dissolved in 51.2 g of benzene. If the freezing point depression constant, K_f of benzene is 5.12 K Kg mol^-1, the freezing point of benzene will be lowered by:

0.4 K

0.3 K

0.5 K

0.2 K

Some More Questions From Solutions Chapter

Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving 1.0 g of polymer of molar mass 185,000 in 450 mL at 37⁰C.

Suppose a solid solution is formed between two substances, one whose particles are very large and the other whose particles are very small. What kind of solid solution is this likely to be?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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Solutions

1.00 g of a non- electrolyte solute (molar mass 250 g mol-1) was dissolved in 51.2 g of benzene. If the freezing point depression constant, Kf of benzene is 5.12 K Kg mol-1, the freezing point of benzene will be lowered by: 0.4 K 0.3 K 0.5 K 0.2 K

Some More Questions From Solutions Chapter

Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving 1.0 g of polymer of molar mass 185,000 in 450 mL at 370C.

Suppose a solid solution is formed between two substances, one whose particles are very large and the other whose particles are very small. What kind of solid solution is this likely to be?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

1.00 g of a non- electrolyte solute (molar mass 250 g mol^-1) was dissolved in 51.2 g of benzene. If the freezing point depression constant, K_f of benzene is 5.12 K Kg mol^-1, the freezing point of benzene will be lowered by:

0.4 K

0.3 K

0.5 K

0.2 K

Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving 1.0 g of polymer of molar mass 185,000 in 450 mL at 37⁰C.