Thursday
December 5, 2013

# Posts by Chem

Total # Posts: 106

Molarity/molality
This makes more sense, but your first step is a little confusing. when I do 26.70 x 18.015 g H2O/mol I get 481.005 but when I do: 3.29 m x 18.015 g H2O/mol then I get your ans: 50.269 g H20

Molarity/molality
Thank you! I got the correct answer.

Molarity/molality
I found another post on this site, which explains a similar problem. :)

Molarity/molality
A 3.29 m solution of the solute H2O dissolved in the solvent acetone is available. Calculate the mass ( kg ) of the solution that must be taken to obtain 26.70 mol of H2O. m= molality I have no idea how to approach this problem, I'm not interesting in getting the answer, I...

CHemiStry!
its just the 2nd and 4th one

CHemiStry!
Select all ionic compounds in which the number of anions present is two. carbon dioxide X manganese(II) hydroxide mercury(II) carbonate X mercury(II) phosphate ammonia sulfur dioxide Hello, I know manganese(II) hydroxide mercury(II) phosphate both have two anions, however I am...

Chemistry
what would the freezing point be for a solution of 0.87M aqueous ammonia? The density of this solution is 0.992g/cm3

Hydrogen Bonding
The longer the hydrogen bond, do the Intermolecular Forces increase or decrease. So if molecule A has a H-bond with a length of 1.7 A and molecule B has a H-bond length of 1.8 A would molecule A or molecule B have a stronger IMF? It would seem that the longer the bond length t...

college Chemistry
If [K+] inside a cell is 25 times greater than a [K+] outside the cell, what is the difference in potential between the two sides of the cell wall? (this is a "concentration cell" style of problem)

CheMistry
Okay thank you that makes a lot more sense!

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