Compute the molality of ions in a solution made by mixing

Assignment Help Chemistry
Reference no: EM13251010

Calculate the molality of ions in a solution made by mixing 6.17 g of CaCl2, MW=110.98, in 95.08 mL of water at 37.0°C. The density of water at this temperature is 0.9933 g/cm3 Submit your answer to 2 decimal places

Reference no: EM13251010

Questions Cloud

Compute the mole fraction x : A gaseous mixture contains 407.0 Torr of H2 , 377.5 Torr of N2 , and 83.3 Torr of Ar , calculate the mole fraction, X, of each of these gases . X H2 : number
Find the force between two charges : Two charge distributions, Q1=1.4X10^-10C and Q2=3.5X10^-10, WHat is the force between them and the electric field between them?
Design circuit that given bcd digit will produce remainder : Design a circuit that given a 4-bit BCD digit(0-9) willproduce a 2-bit quotient and a 2-bit remainder for a division by3. This circuit will have four inputs the four bits of theBCD digit and four outputs 2 bits for the quotient and 2 bits forthe ..
Explain the starting quantities of both reactants : Since most potassium salts and nitrates are soluble in water, PbCrO4 must be the precipitate. The equation for this reaction is: Pb2+ + CrO4 2- -> PbCrO4. Calculate the theoretical yield using the starting quantities of both reactants.
Compute the molality of ions in a solution made by mixing : Calculate the molality of ions in a solution made by mixing 6.17 g of CaCl2, MW=110.98, in 95.08 mL of water at 37.0°C. The density of water at this temperature is 0.9933 g/cm3 Submit your answer to 2 decimal places
How does a manager overall these challenges : What are the challenges that come with bringing about organizational change from the managerial perspective? How does a manager overall these challenges?
Determine the angular speed of the wheel : An automobile tire has a radius of 0.307 m, and its center moves forward with a linear speed of v = 18.3 m/s, Determine the angular speed of the wheel
Explain what is the molar fraction of h2 in the gas mixture : What is the total pressure on a 6.00 L flask which contains 0.127 mol of H2 gas and 0.288 mol of N2 gas at 20 degrees C. What is the molar fraction of H2 in the gas mixture
What types of decisions common to manufacturing firms : What types of decisions common to manufacturing firms does Amazon make? What types of decisions common to service firms? How do both types of decisions relate to the marketing of Kindle?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain molten mixture of potassium and hydrogen fluoride

when a current of 308 mA is used for 8h, what volume of fluorine gas at 298 K and 1 atm can be produced from a molten mixture of potassium and hydrogen fluoride

  Explain when naoh is added to the reaction mixture

When NaOH is added to the reaction mixture, Cu(OH)2 does not immediatly precipitate. What else in the reaction mixture reacts with NaOH before Cu(OH)2 is formed?

  State the active ingredient in antabuse

The active ingredient in Antabuse, a drug used for the treatment of chronic alcoholism, is tetraethylthiuram disulfide, C10H20N2S4 (fw = 296.54). The sulfur in a 0.4329 g

  What reactions take place at the anode and the cathode

An acidic aqueous solution of AlBr3 is in an electrolytic cell. What reactions take place at the anode and the cathode.

  Find the numbers of neutrons protons and electrons

Number of protons & the number of neutrons in the nucleus of the element boron and potassium and the number of electrons in their 1st & 2nd quantum shells?

  Calculate the most likely radius

For an electron in a hydrogen atom, compute the most likely radius (in Angstroms) of the electron in each of the following states:

  Explain which slit the electron

What happens to the pattern if we try to determine which slit the electron goes through by using a laser placed directly behind the slits

  Compute delta g for the freezing of water

Given that Delta H (fusion) of water is 6025 J/mol, Cp(ice) = 37.7 J/K mol, and Cp(water,liquid) = 75.3 J/K mol, calculate Delta G (in J) for the freezing of 54 moles of water at 1 atm pressure and the constant temperature T =13.1 C.

  Explain what is the minimal external voltage

What is the minimal external voltage one must supply in order to perform the electrolysis of molten CaCl2 in the above question. Suggest a means for supplying this energy.

  Compute the molar concentration of co2

Calculate the molar concentration of CO2 for a sample that has a pH of 6.220 and a HCO -3 concentration of 0.0020 M. For carbonic acid pKa1=6.33 and pKa2=10.35.

  How many atoms of neon occupy a volume at stp

How many atoms of neon occupy a volume of 14.3 L at STP?

  What is predicted using the established solubility riles

propose two reasons why the results of some of your reactions in this lab do not agree with what is predicted using the established solubility riles.

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