Question
The percent by mass of methanol (MM = 32.04 g/mol) in an aqueous solution is 22.3%. What is the molality of the methanol solution?
 
 

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Physical Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: Electronic transitions, for the n=3 to n=2

A: For electronic transition from n = 3 to n = 2 the E difference value is determined as follow,

Q: How many mL of 6.00 M HCl solution is needed to make 25.0 mL of 3.00 M HCl solution?  Answer in mL w...

A: The stock solution and the solution after dilution contain same number of moles of solute. M1V1=M2V2

Q: X 101 Chem 101 (71) Tyler DeWitt - YouTube X app.101edu.co Submit Question 25 of 47 How many moles o...

A: Given formation:Mass of oxygen = 4.30 kg     (4300 g)

Q: A non-bonding like oxoygen, O, forms both ionic and covalent bonds, depending on the identy of the e...

A: The covalent bond can be defined as a chemical link between two atoms in which the electron pairs ar...

Q: For 530.0 mL of a buffer solution that is 0.185 M in CH3CH2NH2 and 0.170 M in CH3CH2NH3Cl, calculate...

A: pKb of CH3CH2NH2 is 3.19.pOH of the solution can be determined using Henderson-Hasselbalch equation....

Q: 10.86 As discussed in the "Chemistry Put to Work" box in Sec- tion 10.8, enriched uranium can be pro...

A: Graham’s law of diffusion states that the diffusion of a gas the constant conditions of temperature ...

Q: Use standard enthalpies of formation to determine ΔHºrxn  (kJ) for : 2NO2(g) -> N2O4 (g)

A: The enthalpy of the reaction, ΔH is calculated as,

Q: Calculate the density of a gas if the pressure in a vessel is 3.2 atm at 182 degrees Celsius. The mo...

A: Given,Molar mass = 52.2g/molPressure = 3.2atm

Q: Write a chemical equation using Lewis structures for the reaction of hydrochloric acid with ammonia....

A: The chemical equation using Lewis structure for reaction of hydrochloric acid with ammonia can be gi...

Q: A gas mixture composed of helium and argon has a density of 0.765 g/Lat a 736 mmHgand 298 K. Part A ...

A: Calculation for number of moles:

Q: The standard molar entropy of NH3 is 192.45 J K1 mol at 298K, and its heat capacity is given by the ...

A: Click to see the answer

Q: Write a balanced chemical equation for the standard formation reaction of gaseous hydrogen fluoride ...

A: Balanced chemical equation for the formation reaction of gaseous hydrogen fluoride (HF):

Q: Use the activity series to determine whether aluminum would replace the metals in the chemical compo...

A: The activity series is a series of metals in the order of  higher to lower reactivity. This order is...

Q: Gallium chloride is formed by the reaction of 2.6 L of a 1.44 M solution of HCl according to the fol...

A: Click to see the answer

Q: The rate of a particular gas was measured and found to be 24.0 mL/min. Under the same conditions, th...

A: Graham`s law of diffusion: the rate of effusion of a gas is inversely proportional to the square roo...

Q: Compare the structure of a soap molecule to a phospholipid and explain why a soap's polar head is sm...

A: Hydrophilic polar group of soaps have less number of atoms than hydrophilic region of phospholipids....

Q: A gaseous mixture of O2 and N2 contains 30.8 % nitrogen by mass. What is the partial pressure of oxy...

A: Given,Total pressure of the mixture = 725 mmHgGaseous mixture of O2 and N2 contains mass % of N2 = 3...

Q: The radius of a xenon atom is 1.3×10−8cm. A 100-mLflask is filled with Xeat a pressure of 1.0 atmand...

A: Number of atoms of Xe present can be determined using Ideal Gas Law as follows,1 mL = 0.001 L

Q: What volume of 1.30 M SrCl2 is needed to prepare 525 mL of 5.00 mM SrCl2?

A: The volume of SrCl2 required is determined by using M1V1 = M2V2

Q: A table wine has a pH of 3.60. What is the hydronium ion concentration of the wine?

A: Given:PH = 3.60

Q: How do cations and anions differ?

A: An atom or group of atoms which carry some charge either positive or negative on them are said to be...

Q: A Lewis structure with placeholder central atom is shown below. If the charge of the molecule is -1,...

A: Given information:The Lewis structure of unknown molecule is represented as follows:

Q: A car tire has a recommended rating of 2.518 atm. While parked, the tire has at the temperature of 1...

A: Hi there, as this question contain multiple question. We are answering question-d, if you need furth...

Q: Hydroxylamine contains 42.41 % N and 9.15% H by mass, with the remainder being oxygen. Determine its...

A: The empirical formula can be defined as a chemical formula which gives the proportion of all the ele...

Q: Calculate the energy required to heat 0.40kg of water from 44.4°C to 62.6°C .Assume the specific hea...

A: Absorbed heat energy is given as,

Q: How many grams of a solution that is 5.2% sucrose by mass are needed to obtain 18 g of sucrose.

A: Solution stoichiometry involves the calculation of concentration of solutions in the given condition...

Q: Calculate the solubility at 25°C of AgBr in pure water and in 0.49M NaCN. You'll probably find some ...

A: The solubility of AgBr is 0.140 g/L.The equilibrium reaction of AgBr:

Q: What is the molar solubitily of silver chloride in pure water if its Ksp = 1.8x10^-10

A: Chemical equation is given by:

Q: Chapter 08 Problem 4 r 4 of 27 Review I Constants I Periodic Table Charles's law states that the vol...

A: According to the Charles’s law, final temperature is calculated using formula,

Q: Part A and B with breakdown.. Don't understand how to set this problem up

A: Part-a)

Q: A sample of gas occupies a volume of 63.2 mL. As it expands, it does 134.0 J of work on its surround...

A: Given:Volume V1 = 63.2 mL = 0.0632 L.Pressure P = 783 torr = 1.03026 atmWork W = 134.0 J = -1.323 L....

Q: The predominant attractive force in (CH3)2NH is: a.hydrogen bonding b. dipole-dipole attractions c.i...

A: The structure of the of (CH3)2NH is

Q: Write a balanced chemical equation based on the following description: liquid C₇H₈O is burned with o...

A: Balanced reaction is a chemical reaction in which number of atoms for each element in the reaction a...

Q: Calculate the solubility at 25°C of AgBr in pure water and in 0.49M NaCN. You'll probably find some ...

A: The equilibrium reaction of AgBr:

Q: [Topic: Dilution] We are given a solution of 12 M HCl and want to prepare 300 mL of a 0.6 M solution...

A: Click to see the answer

Q: A piece of chromium metal with a mass of 24.50 g is heated in boiling water to 98.3 °C and then drop...

A: Click to see the answer

Q: What is the enthalpy change if 45.0 g of CaO is allowed to react with an excess of carbon?

A: The standard enthalpy for a given reaction can be called as the enthalpy change for a given substanc...

Q: N2(g) + 3H2(g) → 2NH3(g)  Supposed you start with 3.00moles of hydrogen and nitrogen:a. Which would ...

A: Given:Moles of H2 = 3 moles.Moles of N2 = 3 moles.

Q: Gaseous methane (CHwill react with gaseous oxygen (02) to produce gaseous carbon dioxide (CO2) and g...

A: According to the question, the chemical reaction is shown as follows:

Q: Aqueous hydrochloride a if (HCl) will react with solid sodium hydroxide (NaOH) to produce aqueous so...

A: The number of moles for a given compound or a molecule refers to the ratio of the mass to that of mo...

Q: IReview I Co (Pages 420- 425) Section 10.4 while Part A A syringe containing 1.66 mL of oxygen gas i...

A: According to Charles Law,

Q: A patient with COPD has an arterial blood gas (ABG) content of 65 mm Hg. A normal ABG oxygen level r...

A: Click to see the answer

Q: Calculate the molarity of each of the following: 59.5 g LiCl in 250.0 mL of solution and 32.0 g NiSO...

A:  Molarity of LiCl:Number of moles of LiCl = mass / molar mass = 59.5 g / 42.394 g mol-1 = 1.4035 mol...

Q: Choose a depiction of a gas sample containing equal molar amounts of argon and xenon as described by...

A: The relation between velocity and the molar mass of a gas is given in equation (1). 

Q: Question 6

A: Loss of Heat of aluminium chloride= Gain of Heat by the Water

Q: Muriatic acid, an industrial grade of concentrated HCl, is used to clean masonry and cement. Its con...

A: As per the data given in the question,Volume of muriatic acid solution = to be calculatedWeight of H...

Q: N2(g) + 3H2(g) → 2NH3(g) Supposed you start with 1.00moles of hydrogen and nitrogen:a. Which would b...

A: a)Starting with 1 mole of each given reactants, the limiting reagent for the given reaction will be ...

Q: What is the energy change when the temperature of 14.6 gaseous xenon is decreased from 38.7 °C to of...

A: Given information:Mass of xenon gas = 14.6 gInitial temperature = 38.7 oCFinal temperature = 23.5 oC...

Q: How many total moles of ions are released when the following sample dissolves completely in water? 1...

A: Click to see the answer