Explain what is the molecular formula of the substance

Assignment Help Chemistry
Reference no: EM13520270

A solution containing 3.301 g of an unknown substance in 50.00 g of benzene has a freezing point of 1.30°C.

a) What is the molecular weight of the substance, based on the given freezing point?

b) A further, more detailed, analysis shows the compound to be 40.3% B , 52.2% N, and 7.5 H " all mass percent", what is the molecular formula of the substance?

Reference no: EM13520270

Questions Cloud

Compute the variable costs per unit : Compute the variable costs per unit and the contribution margin ratio for 2013 - compute the increase in fixed costs for 2014.
State concentration cell consists of two sn/sn2+ electrodes : A concentration cell consists of two Sn/Sn2+ electrodes. The electrolyte in compartment A is 0.13 M Sn(NO3)2. The electrolyte in B is 0.82 M Sn(NO3)2.
Determine the probable income from operations : Construct a cost-volume-profit chart, assuming maximum sales of 50,000 units within the relevant range - determine the probable income (loss) from operations if sales total 30,000 units.
Compute the focal length of the diverging lens : A 33.0cm focal length converging lens is 17.2cm behind a diverging lens. Parallel light strikes the diverging lens. What is the focal length of the diverging lens
Explain what is the molecular formula of the substance : A further, more detailed, analysis shows the compound to be 40.3% B , 52.2% N, and 7.5 H " all mass percent", what is the molecular formula of the substance
Which costing approach will produce the higher income : Write a short memo to the chief financial officer explaining which costing approach will produce the higher income and what the difference will be.
Calculate the magnitude of the total angular momentum : A woman with mass 55.0kg is standing on the rim of a large disk that is rotating at 0.470rev/s about an axis perpendicular to it through its center. Calculate the magnitude of the total angular momentum of the woman-plus-disk system
Define ph of a solution made by dissolving of naoh : Determine the [H+], [OH], and the pH of a solution made by dissolving 1.03 g of NaOH, a strong base, in water to make exactly 1.50 liters of solution
How many units must be sold each month : Compute the monthly break-even point for the new toy in units and in total sales dollars and how many units must be sold each month to make a monthly profit of $12,000?

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd