The freezing point of pure benzene is 5.48 degrees celcius, Ask an Expert

Academics

When a 41.7 g sample of an unknown compound is dissolved in 500.0 g of benzene, the freezing point of the resulting solution is 3.77 degrees Celcius. The freezing point of pure benzene is 5.48 degrees Celcius, and Kf for benzene is 5.12 degrees C/m. Calculate the molar mass of the unknown compound.

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M9469554

Have any Question?Write your Review or question?

Related Questions in Chemistry

How is vacuum filtration completing the purification of

How is vacuum filtration completing the purification of your sample? Where are the impurities at this point? For a recrystallization lab in organic chemistry

What is the subshell electron configuration for the ca20

What is the subshell electron configuration for the Ca20 atom? Which are valence electrons and how many valence electrons are there?

How well does tiger brands vision and mission statement

How well does Tiger Brand's vision and mission statement help narrow down feasible alternative strategies available for the firm?

A scuba diver creates a spherical bubble with a radius of

A scuba diver creates a spherical bubble with a radius of 2.5 cm at a depth of 30.0 m where the total pressure (including atmospheric pressure) is 4.00 atm. What is the radius of the bubble when it reaches the surface of ...

228 g of an unknown molecular solute is dissolved in 428

22.8 g of an unknown molecular solute is dissolved in 4.28 moles of 1,2-ethanediol (C2H6O2), causing the freezing point of 1,2-ethanediol to decrease by 1.08 °C. Calculate the molar mass of the solute. For 1,2-ethanediol ...

Suppose 17 g of zinc is treated with 62 g of pure hydrogen

Suppose 1.7 g of zinc is treated with 6.2 g of pure hydrogen chloride. What is the maximum mass (in g) of hydrogen gas that can be produced?

What would be the effect on our body chemistry if large

What would be the effect on our body chemistry if large numbers of enzymes were to become malformed and how do they become malformed?

You react 1000 ml of a 101 m hbraq solution with 991 mlof a

You react 100.0 ml of a 1.01 M HBr(aq) solution with 99.1 mlof a 1.05 M KOH(aq) solution. The density of each solution is 1.04g/ml. The heat capacity of the calorimeter is 7.0 J/C. You observea ΔT of 6.3 C. Assume a 4.18 ...

Ironiii oxide reacts with carbon monoxide according to the

Iron(III) oxide reacts with carbon monoxide according to the equation: Fe2O3(s)+3CO(g)→2Fe(s)+3CO2(g) A reaction mixture initially contains 22.15 g Fe2O3 and 15.98 g CO. Once the reaction has occurred as completely as po ...

Ttrate the base trimethylamine tma with 0126 m hcl ch3naq

Titrate the base trimethylamine (TMA) with 0.126 M HCl. (CH) 3 N(aq) + H 2 O(l) (CH 3 ) 3 NH+(aq) + OH-(aq) Kb = 6.45 x 10 -5 There are 0.00615 moles of TMA in 42.5 mL H 2 O before titration begins. What percent of TMA i ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Chemistry Expert