Question

Part A What is the mass percent of NaOH in a solution of 1.74 g NaOH...

Part A

What is the mass percent of NaOH in a solution of 1.74 g NaOH in 165 g of water.

Express the mass percent to three significant figures.

Part B

What is the mass percent of ethanol in a solution of 7.80 mL of ethanol (density = 0.789 g/mL) in 75.0 g of water?

Express the mass percent to three significant figures.

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
Part A Calculate the mass percent (m/m) of a solution prepared by dissolving 52.18 g of...
Part A Calculate the mass percent (m/m) of a solution prepared by dissolving 52.18 g of NaCl in 152.8 g of H2O. Express your answer to four significant figures. Part B Vinegar is a solution of acetic acid in water. If a 185 mL bottle of distilled vinegar contains 26.5 mL of acetic acid, what is the volume percent (v/v) of the solution? Express your answer to three significant figures. Part C Calculate the mass/volume percent (m/v) of 24.0 g...
An aqueous NaCl solution is made using 111 g of NaCl diluted to a total solution...
An aqueous NaCl solution is made using 111 g of NaCl diluted to a total solution volume of 1.10 L . Part A Calculate the molarity of the solution. Express your answer using three significant figures. Part B Calculate the molality of the solution. (Assume a density of 1.08 g/mL for the solution.) Express your answer using two significant figures. Part C Calculate the mass percent of the solution. (Assume a density of 1.08 g/mL for the solution.) Express your...
1.Percent by mass to parts per million. Convert 4.45% NaOH(aq) solution to parts per million NaOH...
1.Percent by mass to parts per million. Convert 4.45% NaOH(aq) solution to parts per million NaOH in the solution. Do NOT assume a dilute aqueous solution! Use the molar mass of the entire salt formula, not either ion alone. The solution density is 1.047 g/mL. Answer to 3 significant figures with appropriate units. 2. Molarity to parts per million. Convert 1.672 mol/L MgCl2(aq) solution to parts per million Mg2+ in the solution. Do NOT assume this is a dilute aqueous...
A solution is 40% ethanol (density = 0.789 g/mL) by volume and 60% water (density =...
A solution is 40% ethanol (density = 0.789 g/mL) by volume and 60% water (density = 1.00 g/mL). If Tom Titan has 750.0 mL of the solution, what is the mass of ethanol in solution?
Part A What volume of a 15.0% by mass NaOH solution, which has a density of...
Part A What volume of a 15.0% by mass NaOH solution, which has a density of 1.116 g/mL, should be used to make 5.40 L of an NaOH solution with a pH of 10.4? Express your answer to one significant figure and include the appropriate units. V = 0.3230.323mLmL SubmitPrevious AnswersRequest Answer Incorrect; Try Again; 26 attempts remaining Answer is not 0.323 mL I tried this and it didnt work!!
A solution is prepared by dissolving 22.0 g off NaOH in 118.0 g of water. The...
A solution is prepared by dissolving 22.0 g off NaOH in 118.0 g of water. The NaOH solution has a density of 1.15 g/mL. A) What is the mass percent (m/m) of The NaOH solution? B) what is the total volume of the solution? C) what is the mass/ volume percent? D) what is titsmolarity?
Calculate the freezing point and boiling point of a solution containing 7.80 g of ethylene glycol...
Calculate the freezing point and boiling point of a solution containing 7.80 g of ethylene glycol (C2H6O2) in 93.4 mL of ethanol. Ethanol has a density of 0.789 g/cm3.
a) A sucrose solution is prepared to a final concentration of 0.160 M . Convert this...
a) A sucrose solution is prepared to a final concentration of 0.160 M . Convert this value into terms of g/L, molality, and mass % (molecular weight, MWsucrose = 342.296 g/mol ; density, ρsol′n = 1.02 g/mL ; mass of water, mwat = 965.2 g ). Note that the mass of solute is included in the density of the solution. Express the concentrations in grams per liter, molality, and mass percent to three significant figures separated by commas. Hints Sucrose...
A) A solution is prepared by dissolving 50.4 g sucrose (C12H22O11) in 0.332 kg of water....
A) A solution is prepared by dissolving 50.4 g sucrose (C12H22O11) in 0.332 kg of water. The final volume of the solution is 355 mL. For this solution, calculate the molarity. Express the molarity in units of moles per liter to three significant figures. B) Calculate the molality. Express the molality in units of moles per kilogram of solvent to three significant figures. C) Calculate the percent by mass.Express the percent by mass to three significant figures. D) Calculate the...
The density of a 40 wt% solution of ethanol in water is 0.937 g/mL. The density...
The density of a 40 wt% solution of ethanol in water is 0.937 g/mL. The density of n-butanol is 0.810 g/mL. What is the concentration of n-butanol in ppm if you dissolve 15 μL of this alcohol in a 40 wt% solution of Ethanol in water. The final volume of the solution is 25 mL. Assume that the density of the ethanol solution does not change upon dissolution of the butanol. Use the correct number of significant figures!
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT