A chloroform solution of caffeine c8h10n4o2 contains

Assignment Help Chemistry
Reference no: EM13372633

A chloroform solution of caffeine (C8H10N4O2) contains concentration of 0.0868 m . compute mole fraction of caffeine(C8H10N4O2), the molarity of the solution,  % w/w of caffeine(C8H10N4O2). If it is given that; The density of the solution = 1.523 g/mL. molar mass of caffeine (solute)= 194.2g/mol ;molar mass of chloroform, CHCl3, (solvent) = 119.4 g/mol

Reference no: EM13372633

Questions Cloud

Commercial concentrated of nh3aq is 28 percent ammonia by : commercial concentrated of nh3aq is 28 percent ammonia by mass. density of the solution 0.900 gml. compute the
A 04196 grams xhx mole fraction of hx solution of an acid : a 0.4196 grams xhx mole fraction of hx solution of an acid hx has a density 1.141 gml and the molar mass of the acid
Nbspa solution of 605 m of an acid hx has a density 0892 : nbspa solution of 6.05 m of an acid hx has a density 0.892 gml. molar mass of the acid hx 2.00 gmol. find out the
Determine the mole fraction of sodium chloridenacl in the : determine the mole fraction of sodium chloridenacl in the solutionnbsp if this nbspsolution is formednbsp by mixing
A chloroform solution of caffeine c8h10n4o2 contains : a chloroform solution of caffeine c8h10n4o2 contains concentration of 0.0868 m . compute mole fraction of
A nonelectrolyte of 5589 grams are fully dissolved in : a nonelectrolyte of 558.9 grams are fully dissolved in sufficient h2o to produce an aqueous solution of 2.50 litres at
Determine the new volume ofnbsp a 13 l balloon if it is : determine the new volume ofnbsp a 1.3 l balloon if it is taken from room temperature that is twenty five degree celsius
Considering an unbalanced equation given as ca3po42 h2so4 : considering an unbalanced equation given as ca3po42 h2so4 --gt caso4 h3po4 for the reaction of calcium phosphate with
Compute the amount of heat essential to fully sublime : compute the amount of heat essential to fully sublime ninety grams of solid dry ice co2 at its temperature of

Reviews

Write a Review

Chemistry Questions & Answers

  A yeast gown under anaerobic conditions is exposed to oxygen

A culture of yeast gown under anaerobic conditions is exposed to oxygen, resulting in a dramatic decrease in glucose consumption by the cells.

  Complete and balance the equation for reaction

Predict whether the following reactions will occur or not. For those that do occur complete and balance the equation. Write No Reaction for those that do not occur include all subscripts

  Explain how to calculate the equilibrium constant

Calculate the equilibrium constant at 298 K for the reaction of ammonia with oxygen to form nitrogen and water. The data refer to 298 K.

  Pure gold has a density of mass

Pure gold has a density of 19.32 g/cm3. How large would a piece of gold be if it had a mass of 318.97 g

  Find the mole ratios

if i have 0.621 mole of potassium chlorate that decomposes by heat, what is the amount of the oxygen in moles?

  What is the final volume of neon gas

What is the final volume of 845 mL of neon gas at 202°C if the gas is cooled to 86.0°C?

  Explain order of increasing strength as reducing agents

Place the following in order of increasing strength as reducing agents (all under standard conditions). (Use the appropriate symbol to separate substances in the list.) Cr3+, H2, Zn, Li, F -, Fe2+

  State waste gas components into the water

Neglect the absorption of other waste gas components into the water, and the evaporation of water into the waste gas stream. What rate is NH3 is being removed from the feed gas?

  What gas comprises the bubbles

In a beaker of boiling water, there are many bubbles forming throughout the liquid. What gas comprises the bubbles?

  What is the molarity of the iodine solution

A solution of I2 was standardized with ascorbic acid. Using a 0.1000-g sample of pure ascorbic acid, 23.52 mL of I2 were required to reach the starch end point.

  Aluminum burns in bromine producing aluminum bromide in a

aluminum burns in bromine producing aluminum bromide. in a laboratory 6.0 g of aluminum reacts with excess bromine.

  Find out the amount of heat in joules

The Cu is added to the calorimeter, and after a time the contents of the cup reach a constant temperature of 30.2 *C. Determine the amount of heat, in Joules, lost by the copper block

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