Compute the molar mass of the compound

Assignment Help Chemistry
Reference no: EM13181064

A 191 mg sample of a nonelectrolyte isolated from throat lozenges was dissolved in enough water to make 10.0 mL of solution at 25 degrees C. The osmotic pressure of the resulting solution was 4.95 atm. Calculate the molar mass of the compound. Answer in g/mol.

Reference no: EM13181064

Questions Cloud

HR and believe implementing self-service portal : You work in HR and believe implementing a self-service portal for HR administration would generate several efficiencies in work flow. Your manager is resistant to implementing the portal because of the administrative challenges and concerns such as t..
How much will she accumulate : Another client, Wynona, decides that she will invest $5,000 per year in a 5% annuity for the first ten years, then $6,000 for the next ten years, and then $4,000 per year for the last ten years, how much will she accumulate?
How much money is invested at the end of year 10 : At the end of each year, a worker invests $2,000 into an account the draws 4% interest. The worker makes every payment for the next 30 years except for the payment at the end of year 10. That is, no money is invested at the end of year 10. How muc..
Piaget described several deficits in reasoning : Piaget described several deficits in reasoning that characterize the preoperational child, including egocentric , animistic thinking and lack of capability in conservation tasks . Describe Piaget's basis for each of these three conclusions.
Compute the molar mass of the compound : throat lozenges was dissolved in enough water to make 10.0 mL of solution at 25 degrees C. The osmotic pressure of the resulting solution was 4.95 atm. Calculate the molar mass of the compound. Answer in g/mol.
What radial and height dimensions will require : A metal storage tank with a mximum volume of 500 m^3 is to be constructed in the shape of a right circular sylinder surmounted by a hemisphere. What radial and height dimensions will require the least amount of material?
Describe the crime of solicitation-corroboration requirement : Describe the crime of solicitation and give two (2) examples of solicitation crimes, and explain how corroboration requirements are used in solicitation statutes.
What is the ph of an aqueous solution with a hydrogen ions : What is the pH of an aqueous solution with a hydrogen ion concentration of [H ] = 1.6 × 10-9 M? b) What is the hydroxide ion concentration, [OH-], in an aqueous solution with a hydrogen ion concentration of [H ] = 1.6 × 10-9 M?
Date to regularise and regularise date : Difference between the "Date to Regularise" and "Regularise Date" is - greater than 3 days, the cell shold return "RED" colour.

Reviews

Write a Review

Chemistry Questions & Answers

  How many n2 molecules can be produced

how many N2 molecules can be produced after the explosion of 2.37 kg of NH4NO3? (Molar mass of NH4NO3 is 80.06 g/mol.)

  What is the observed atomic weight of lithium

Natural lithium is 92.58% lithium-7, with atomic weight 7.016, and 7.42% lithium-6, with atomic weight 6.015. What is the observed atomic weight of lithium as it occurs in nature?

  What will be the concentration of h2so4

Suppose that a fully charged lead-acid battery contains 1.50L of 5.00M H2SO4. What will be the concentration of H2SO4 in the battery after 3.40A of current is drawn from the battery for 4.50 hours?

  How many photons are required to heat coffee

Suppose that the microwave radiation has a wavelength of 10.7 cm. How many photons are required to heat 200. mL of coffee from 25°C to 65°C?

  Determine concentration of sodium hydroxide solution

Determine the concentration of the sodium hydroxide solution? Considering this  balanced equation given as :

  What is the correct electron configuration for cr

what is the correct electron configuration for Cr (chromium). Chose the proper Lewis dot structure for the compound or poliatomic ion: Sulfur Dioxide (SO2).

  What was the final temperature of the gold

A 4.80 g nugget of pure gold absorbed 279 J of heat. What was the final temperature of the gold if the initial temperature was 22.0°C? The specific heat of gold is 0.129 J/(g·°C).

  State strontium isoptope is radioactive with a half-life

This strontium isoptope is radioactive, with a half-life of 28.1 years. Calculate how long (in years) it will take for 5.63g of the isotope to be reduced to .354g by decay

  Determine the heat released

determine the heat released when (ethene) CH2 CH2 reacts with hydrogen gas and form CH3CH3.If Bond enthalpies given are H H : 436 kJ/mol,C Br : 276 kJ/mol,C C : 612 kJ/mol,C C : 348 kJ/mol,C H : 412 kJ/mol;

  Regiochemistry of the products of aromatic reactions

How does one predict the regiochemistry of the products of aromatic reactions like nitration? What factors are responsible for the product ratios seen in such reactions?

  What volume of o2 is required

C4H10(g) + O2(g) CO2(g) + H2O(g) Consider the above unbalanced equation. What volume of O2 at 555 mm Hg and 56.0°C is required to produce 285 mL of CO2 at 780. mm Hg and 131°C?

  Calculate the molality, molarity of the ethanol solution

An aqueous solution of etanol, C2H5OH is 19% ethanol by mass and has density of 0.9700gml. Calculate the molality, molarity of the ethanol solution.

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