Compute the molality of a solution

Assignment Help Chemistry
Reference no: EM13221560

Calculate the molality of a solution that contains 51.2 g of naphthalene, C10H8, in 500. mL of carbon tetrachloride. The density of CCl4 is 1.60 g/mL.

0.250 m

0.500 m

0.750 m

0.840 m

1.69 m

Reference no: EM13221560

Questions Cloud

Find out what the mothballs were made : Determine what the mothballs were made of. Pure ethyl alcohol has a boiling point of 78.41 degrees C and Kb = 1.22 deg C/m for this solvent.
Calculate labor productivity for the initial situation : Gibson Products produces cast bronze valves for use in offshore oil platforms. Currently, Gibson produces 1600 valves per day. The 20 workers at Gibson work from 7 a.m. until 4 p.m.
Discuss the events or uncertainties that are most likely : Discuss the events or uncertainties that are most likely to cause trouble in the implementation of your recommendations and how you would react to them if they were to occur.
How much money to spend on advertising : George needs help to decide how the dollar amount of grapes to buy, how much money to spend on advertising, and how many bottles to sell of each wine in each year, such the profit earned is maximized.
Compute the molality of a solution : Calculate the molality of a solution that contains 51.2 g of naphthalene, C10H8, in 500. mL of carbon tetrachloride. The density of CCl4 is 1.60 g/mL.
What would inflation rate be if money supply was decreased : If the velocity is fixed, what would the inflation rate be id the money supply was decreased $530 billion Is your answer consistent with the classical dichotomy Explain. Suppose that when the money supply changed.
Define what is the mole fraction of hexane : A solution contains 10.0 g pentane, C5H12, 10.0 g hexane, C6H14 and 10.0 g benzene, C6H6. What is the mole fraction of hexane?
Define what is the mole fraction of methanol : If 8.32 grams of methanol, CH3OH, are dissolved in 10.3 grams of water, what is the mole fraction of methanol in the solution?
Explain directly influenced by the polarity of the compond : Name 4 properties of a compound that is directly influenced by the polarity of the compond. And state the 2 most important factors that affect the

Reviews

Write a Review

Chemistry Questions & Answers

  What is the equilibrium concentration of the ethene

If 6.0 moles of ethene and 6.0 moles of hydrogen are introduced into a 2.0 L sealed vessel and allowed to equilibrate at 200ºC, what is the equilibrium concentration of the ethene

  Pathological consequences might ensue if various components

Pathological consequences might ensue if various components of the regulation of signal transduction are altered inappropriately.

  State sample of hydrocarbon compund containing only c

A 6.52 g sample of hydrocarbon compund containing only C and hydrogen produced 20.5 g of CO2. A 9.29 ml sample weighing 21.6 mg was collected over water at a pressure of 796 torr at 25 C

  Determine how many grams of oxygen are required

Which is the excess reactant in the given reaction Na 2 S + CuSO 4 Na 2 SO 4 + CuS  it is given that you start this reaction wit 15.5 grams  of Sodium sulfide and 12.1 grams of copper sulphate?

  Determine the possibility of the use of anabolic steroids

In the Olympics and other major athletic competitions, a GC-MS is used to screen athletes for their use of banned substances such as steroids.

  What is the percent yield of a reaction

What is the percent yield of a reaction in which 260. g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 127 g HCl?

  What is the mass of the glycerol in the solution

A solution of glycerol in 701 g of water has a boiling point of 103.8 C at a pressure of 760 mm Hg. What is the mass of the glycerol in the solution?

  Calculate the ph of a 0.05m sloution of sodium butyrate

Butyric acid (a monoprotic acid) is responsible for the foul smell of rancid butter. the pKa of butyric acid is 4.84. calculate the pH of a 0.05M sloution of sodium butyrate

  What mass of carbon reacts completely

What mass of carbon reacts completely with 17.8 grams of SiO2 according to the following equation? SiO2 (s) + 2C (s) → SiC (s) + 2CO (g)

  State measurement of the concentration of fe

Measurement of the concentration of Fe3+ ions in a saturatedsolution of iron(III) chloride was found to be 0.35M. Calculate the Ksp of iron(III) chloride

  Heat required to increase the temperature

Determine what amount of heat is required to increase the temperature of sixty grams of ethylene glycol from 15.1 degree Celsius to 40.3 degree Celsius?

  How many moles should be added to bring the equilibrium

Determine how many moles of carbon dioxide should be added to the system to bring the equilibrium carbon monoxide concentration to 0.743 mol/L

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