Question

The following information is known about commercial ammonia solutions: Formula Weight=17.03 g/mol; Density of solution=0.90 g/mL;...

The following information is known about commercial ammonia solutions: Formula Weight=17.03 g/mol; Density of solution=0.90 g/mL; Weight %=28.0; Molarity=14.8

a. Calculate the molality of the solution

b. Calculate the mole fraction of ammonia in the solution

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
At 25 degrees Celcius, the density of a 30% aqueous solution by weight of glycerol (C6H8O3)...
At 25 degrees Celcius, the density of a 30% aqueous solution by weight of glycerol (C6H8O3) is 1.071 g/mL. What is the concentration of glycerol in this solution in units of molarity, molality, and mole fraction?
A solution consists of 18.0 g of hydrochloric acid, HCl, and 91.0 g water and has...
A solution consists of 18.0 g of hydrochloric acid, HCl, and 91.0 g water and has a density of 1.08 g/mL. (a)Calculate the weight percent of HCl, (b) the molality of HCl, (C) the mole fraction of HCl, and (d) the molarity of HCl in the solution.
An aqueous solution is 5.50% by mass ammonia, NH3, and has a density of 0.975 g/mL....
An aqueous solution is 5.50% by mass ammonia, NH3, and has a density of 0.975 g/mL. The molality of ammonia in the solution is _______ m
A 25.1 molal concentration of ammonia (NH3) in water has a density of 0.982 g/ml. What...
A 25.1 molal concentration of ammonia (NH3) in water has a density of 0.982 g/ml. What are the mass percent, molarity and mole concentration of ammonia in this solution.
Calculate the molarity, molality, and mole fraction of a solution created by mixing 500.0 mL of...
Calculate the molarity, molality, and mole fraction of a solution created by mixing 500.0 mL of ethanol (C2H6O / d = 0.789 g/mL) with 4.267 g of benzene (C6H6 / d = 0.876 g/mL). Assume the density of the solution is the same as ethanol.
Toluene (C7H8, molar mass = 92.13 g/mol) an organic compound often used as a solvent in...
Toluene (C7H8, molar mass = 92.13 g/mol) an organic compound often used as a solvent in paints is mixed with a similar organic compound benzene (C6H6, molar mass 78.11 g/mol). Calculate the molarity, molality, mass percent, and mole fraction of toluene in 2.00 x 103 mL of solution that contains 75.8 g of toluene and 95.6 g of benzene. The density of solution is 0.857 g/cm3.
KCl is an ionic salt with a formula weight of 74.54 g/mole. A 1.417 M (mole/liter)...
KCl is an ionic salt with a formula weight of 74.54 g/mole. A 1.417 M (mole/liter) KCl solution has a density of 1064.5 grams/liter at 20 OC. Use the Molarity and the formula weight to find the mass (g) of salt in one liter. Then, find the mass (g and kg) of water in one liter of the solution.     Determine the molality (m), or moles of salt per kg of water, by dividing the moles of salt in one liter...
A solution is prepared by dissolving 25.00 g of acetic acid (CH3COOH) in 750.0 g of...
A solution is prepared by dissolving 25.00 g of acetic acid (CH3COOH) in 750.0 g of water. The density of the resulting solution is 1.105 g/mL. A) Calculate the mass percent of acetic acid in the solution. B) Calculate the molarity of the solution. C) Calculate the molality of the solution. D) Calculate the mole fraction of acetic acid in the solution. E) What is the concentration of acetic acid in ppm?
A 10.69% (weight/weight) Fe(NO​3​)​3 (241.86 g/mol) solution has a density of 1.059g solution/mL solution. Calculate: a.)...
A 10.69% (weight/weight) Fe(NO​3​)​3 (241.86 g/mol) solution has a density of 1.059g solution/mL solution. Calculate: a.) The molar concentration of ​Fe(NO​3​)​3 in this solution. b.) The mass in grams of Fe(NO​3​)​3 contained in one liter of this solution. c.) The molar concentration of NO​3​​- in the solution.
A sodium hydroxide solution is made by mixing 13.64 g NaOH with 100 g of water....
A sodium hydroxide solution is made by mixing 13.64 g NaOH with 100 g of water. The resulting solution has a density of 1.131 g/mL. a. What is the molarity of this solution? b. What is the molality of the solution? c. What is the mass fraction of NaOH in the solution? d. What is the mole fraction of NaOH in the solution?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT