Answered: What is the molar fraction of glycine…

What is the molar fraction of glycine in an aqueous solution whose concentration is 0.140 molkg-1. Data: Mass H2O = 1 kg; M.M. H2O = 18.01 gmol-1.

General, Organic, and Biological Chemistry

7th Edition

ISBN:9781285853918

Author:H. Stephen Stoker

Publisher:H. Stephen Stoker

Chapter8: Solutions

Section: Chapter Questions

Problem 8.10EP: A solution is made by dissolving 0.455 g of PbBr2 in 100 g of H2O at 50C. Based on the data in Table...

See similar textbooks

Related questions

Q: Solid KBr is dissolved in H20. The AH, = -690 kJ/mol for the solute dissociation and AH2 = +19.9…

A: KBr is an ionic compound that dissolves in water to give ions. The equation for the dissociation of…

Q: Calculate the osmolarity in mOsm/L of 500 mL of a solution containing 5% w/v dextrose, 0.78% w/v…

A: Osmolarity in mOsm/L is defined as the millimoles of solute particles per Liter of the solution.…

Q: A solution is prepared by dissolving 40.00 g of MgCl2 (f.w. = 95.211 g mol–1), a non-volatile…

A: Given, Mass of non-volatile solute, MgCl2 = 40.00 g Molar mass of MgCl2 = 95.211 g/mole Volume of…

Q: A public water supply was found to contain 0.8 partper billion (ppb) by mass of chloroform, .(a) How…

A: Concentration is the way of expressing the amount of substance with reference to total amount of the…

Q: (1a) Pure benzophenane freezes at 66.6 °C. A solution of 7.75 g of biphenyl (C12H10; molar mass =…

Q: What would be the saturation concentration (mole/L) of oxygen (O2) in a river in winter when the air…

Q: A solution is prepared by dissolving 40.00 g of MgCl2 (f.w. = 95.211 g mol–1), a non-volatile…

A: Given: Mass of MgCl2 = 40.00 g Volume of solution = 2 L And temperature = 25 oC

Q: solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in…

A: Given : Mass of solute = 40g Density = 1.000g/ml

Q: as been observed experimentally that the AHpolution for methanol as solvent and dimethylsulfo ISO)…

A: Methanol is not an ionic molecule and will not exhibit intermolecular ionic bonding. Methanol is…

Q: solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in…

Q: What is the molarity of the solution prepared by concentrating, by evaporation of solvent, 755 ml.…

A: Initial mass of solute ( NaNO3) = 0.200100×755 =1.51 g Moles of solute ( NaNO3) = given massmolar…

Q: * 00 In a 69.0-g aqueous solution of methanol, CH, O, the mole fraction of methanol is 0.180. What…

A: In a solution sum of mole fraction of all components is equal to 1. Mole fraction is the ratio of…

Q: To prepare a solution with a total weight of 50 g that contains phenophthalene at a percentage of…

Q: Describe the preparation of 138mL of 0.33 M HClO4 from a concentrated solution that has a specific…

Q: To prepare a solution with a total weight of 50 g that contains phenophthalene at a percentage of…

Q: Perfluorocarbons (PFCs), hydrocarbons with all the H re-placed by F, have very weak cohesive forces.…

Q: An aqueous chloric acid solution has a sp. gr. of 1.124 and contains 26.02% by mass. Calculate M, N,…

A: The number of moles is a ratio of the mass of a substance to the molar mass of the substance.…

Q: 7.0.00550 g of a highly purified protein Was solution exhibited an osmotic pressure of 0.00157 atm.…

A: The expression of molarity and further number of moles of solute can be substituted in the…

Q: Express concentration of 1.55 mol% caffeine (CSH10N4O2) in wt solute/ 100 wt solvent. Solvent is…

Q: What volume of dilute nitric acid of density 1.11g/mL and 19% nitric acid by weight contains in 10g…

A: Given: density of nitric acid =1.11g/ml With this information, we will first calculate the volume…

Q: A 690 g of 59% strontium bromide solution is cooled from 60 oC to a certain temperature. Upon…

A: Given : Mass of solution = 690 g Mass of SrBr2 precipitated out on cooling producing saturated…

Q: When 2.0 g of aspirin was shaken up in a flask containing two immiscible liquids it was found that…

A: Given: Mole fraction of liquid (1)=0.11 Mole fraction of liquid (2)=0.18 Initial aspirin quantity=2…

Q: The dissolution of NH4CIO4(s) in water is endothermic, with +33.5 kJ/mol. If you prepare a 1.00 m…

A: The ∆H value is 33.5kJ/mol Initial temperature (T1) is 25°C = (25+273K) = 298K Specific heat…

Q: What would (triangle) Hrxn be for this new situation with 40 ml of both 1.0 M NaOH and 1.0 M HCl,…

A: Number of moles of sodium hydroxide = 0.04 L × 1 M = 0.04 mol Number of moles of hydrochloric acid =…

Q: What is the partial pressure of methane needed to dissolve 21mg of the gas in 100g of benzene at 25…

Q: A- preparation of approximately (0.1N) HCL 1. Calculate the normality of the concentrated HCL. Sp.g…

Q: 5. What is the approximate molarity, molality and normality of a 13% w/w solution of H2SO4…

A: Given: percentage solution of sulfuric acid=13% Density of the solution=1.090g/ml The 13% solution…

Q: What weight of HCl is present in 30mL of hydrochloric acid of specific gravity 1.19 and contains…

Q: Q1 / Prepare one liter of 0.1N solution of H2SO4 concentrated if density is 1.84 and percentage is…

Q: er, Solubility Product Constant of Sodium Chloride Introduction For slightly soluble salts, we have…

A: Given: Mass of empty evaporating dish = 28.00 g Volume of saturated NaCl solution = 10.00 mL Mass of…

Q: A standard solution of NaOH as prepared by dissolving 4g of the solute in 250cm3. A) determine the…

Q: 9.12 In an aqueous 0.1000-mol/kg NaCl solution at 25°C and 1 atm, CPH.O = CI = -17.00 17.992…

A: Specific heat is the amount of heat per unit mass which is required to raise the temperature to one…

Q: A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute,…

A: Given : Mass of solute = 40g

Q: A 690 g of 59% strontium bromide solution is cooled from 60 oC to a certain temperature. Upon…

A: Given : Mass of solution = 690 g Mass of SrBr2 precipitated out on cooling producing saturated…

Q: POint Elevation A selution in preparnd hy disselving 15.60 gof ordinary gar sueroe, CHO, molecular…

Q: Estimate the molality (mol/kg) of oxygen in water at 25 °C and given that the partial pressure of O2…

Q: Calculate the mole fraction(x) of acetic acid in a mixture consisting of 150 gm acetic acid , and…

Q: In a W52.0ltext{-g}) aqueous solution of methanol, W(\ce(CH_40},W) the mole fraction of methanol is…

A: Given: Mass of methanol = 52.0g mole fraction of methanol =0.120 To find: The mass of each compound

Q: If the osmotic pressure of the blood is within (100 psi) at a temperature of (37°C). What is the…

Q: A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute,…

Q: How many grams of ethylene glycol, C2H4(OH)2, must be added to 5.50 kg of water to lower the…

A: Colligative properties are the properties which depend on the number of atoms or molecules or ions…

Q: Concentration of solutions that involves liquid solute and solvent uses with an equation: Jm AS…

A: A question based on concentration of solution concept, which is to be accomplished.

Q: Describe the preparation of 800 mL of 2 M HCl from the commercial reagent that is 37.5% HCl (%w/w)…

A: Volume of HCl =800 mL Molarity of HCl = 2 M Mass percent of HCl = 37.5 % Mass of Solution = 100 g…

Q: The activity of H, O in 35 wt% H, SO4, measured by lowering of the vapor pressure of H,O, is -Al1,0…

A: The overall reaction occurring in a lead acid battery is: PbO2+Pb+2H2SO4→2PbSO4+2H2O

Q: The Henry’s law constant for CO2 in water at 25 °C is3.1x 10-2 M atm-1. (a) What is the solubility…

A: (a)Given, Henry’s constant for CO2 in water = 3.1*10-2M/atm. The mole fraction of CO2 in air is…

Question

What is the molar fraction of glycine in an aqueous solution whose concentration is 0.140 molkg^-1. Data: Mass H₂O = 1 kg; M.M. H₂O = 18.01 gmol^-1.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

A solution is made by dissolving 0.455 g of PbBr2 in 100 g of H2O at 50C. Based on the data in Table 8-1, should this solution be characterized as a. saturated or unsaturated b. dilute or concentrated
Oral rehydration salts are stated to contain the following components: Sodium Chloride 3.5g Potassium Chloride 1.5g Sodium Citrate 2.9g Anhydrous Glucose 20.0g 8.342 g of oral rehydration salts are dissolved in 500 ml of water. 5 ml of the solution is diluted to 100 ml and then 5 ml is taken from the diluted sample and is diluted to 100 ml. The sodium content of the sample is then determined by flame photometry. The sodium salts used to prepare the mixture were: Trisodium citrate hydrate (C6H5Na3O7, 2H2O) MW 294.1 and sodium chloride (NaCl) NW 58.5. Atomic weight of Na = 23. The content of Na in the diluted sample was determined to be 0.3210 mg/100 ml. Determine the % of stated content of Na in the sample. The stated should be 104.5, how??
When a Vitamin C (ascorbic acid; MM = 176.12 g mol-1) tablet is crushed, dissolved and titrated with 0.0340 M KIO3(aq) to a purple/blue endpoint (given by a starch indicator), the volume of KIO3 used is 29.80 mL. If 60 mg of ascorbic acid is the recommended dietary allowance (i.e., 100% of the RDA), then what is the % RDA for the Vitamin C in the tablet? KIO3(aq) + 5 KI + 6 H+ → 3 I2(aq) + 3 H2O I2 (aq) + ascorbic acid → 2 I- + dehydroascorbic acid
Oral rehydration salts are stated to contain the following components: Sodium Chloride 3.5g Potassium Chloride 1.5g Sodium Citrate 2.9g Anhydrous Glucose 20.0g 8.342 g of oral rehydration salts are dissolved in 500 ml of water. 5 ml of the solution is diluted to 100 ml and then 5 ml is taken from the diluted sample and is diluted to 100 ml. The sodium content of the sample is then determined by flame photometry. The sodium salts used to prepare the mixture were: Trisodium citrate hydrate (C6H5Na3O7, 2H2O) MW 294.1 and sodium chloride (NaCl) NW 58.5. Atomic weight of Na = 23. The content of Na in the diluted sample was determined to be 0.3210 mg/100 ml. Determine the % of stated content of Na in the sample.
1. What mass of MC| is needed to make 3000g or 109 solution? (MW: H= 1 , Cl= 35)a. 0.09 gb. 90 gc. 900 g d. 0.9 g 2. Detemine the mole faction of the solvent in a solution prepared by dissolving: 36g of CH3OH in 1000 of H2O. a. 55.55molesb. 0.02molesc. 0 98molesd. None of the above
Q Volume (in mL) of o-500M of Fructose Solu can be made From 1l:3g of Fructuse Given 0:500 M 11:39 Vinml = moo Fructu se solution mass Fructose
Calculate the molar concentration of a thiosulfate solution from the following information:A 40.-mL aliquot of a 0.00653 M KIO3 solution is added to a flask containing 2 g of KI and 10 mL of 0.5 M H2SO4. The resulting solution is titrated to a starch endpoint with 38 mL of the thiosulfate solution.
A saturated solution of KNO3 was prepared at 25° Cby dissolving 12.050 g KNO3 in water and the total volume of the solution is 10.5 mL. Determine the moles of KNO3 in the solution and enter it below. moles This number should have significant figures. (enter in the number of sig figs in the box). Now determine the concentration of K*and NO3 in the solution. Enter these values below. [K*]= M [NO3 ]= These numbers should have significant figures. (enter in the number of sig figs in the box).
1)Please express the normal salt (NaCl) concentration in body fluid into molarity (mM).2) Commercial fuming Sulphuric acid (Oleum-H2S2O6) is 99.9%. solution. Please convert it into molarity.3) Find out the Volume (dm3) of product (gas) at RTP when 0.58 M, 150 mL NaOH (aq.) reacts with 350 mL, 0.25 NH4Cl.4) The above reaction has the product Ammonia, which when dissolved in 650 mL ethanol makes an alkaline ethanolic solution. Find its molarity (M) 5) Calculate the adult dose as per the BW of the baby. (Child dose-50 mg and the BW of the baby is 48 lb (British pound) (1lb=0.453 Kg)
If one mixes 50cm³ of EtOH and 50cm³ of H2O at room temperature; will the total volume of the solution be 100.0 cm³? Justify answer with appropriate calculations and explanations
Example 2/ A solution was prepared by dissolving 2.45 g of AGNO3 in sufficient water to give 50 ml , for this solution calculate wt - volume % , no . mfw AgNO3 taken , formality of solution of AGNO3.
Dissolve 0.25g NaClI, 0.20g NaHCO3. 0.35g KCI, and 1.5g of glucose in 100 ml distilled water using a 250 mL capacity beaker. Use the formula to create a 60 mL ORS. Based on the given procedure, calculate the total amount of glucose in the prepared solution. (MW: Na: 23, K: 39, CI: 35, H: 1, C: 12, 0: 16) O 83.33 mmol/L 66.91 mmol/L 90.40 mmol/L 71.11 mmol/L O 23.81 mmol/L O 47.30 mmol/L