Volume of a solution?


by ChrisJA
Tags: solution, volume
ChrisJA
ChrisJA is offline
#1
Nov10-13, 08:48 PM
P: 38
Could someone tell me the Google terms or where to look in a general chemistry textbook. I want to know the exact volume after one substance is dissolved into another. For example I know a liter of alcohol and a liter of water don't combine to make exactly two liters

Or let's say I have 1 liter of water I add 1 gram table salt. It dissolves and I have a saltwater solution with density of 1.001 Is the above exactly correct? Does the dissolved NaCl not add any volume?

If someone could give me a hint and how to find the details I'd be happy. I last took chemistry 25 years ago but I think we used approximate methods. I'm looking to know the physics involved.
Phys.Org News Partner Chemistry news on Phys.org
Space-tested fluid flow concept advances infectious disease diagnoses
New, more versatile version of Geckskin: Gecko-like adhesives now useful for real world surfaces
Researcher develops novel wastewater treatment fabric
DrDu
DrDu is online now
#2
Nov11-13, 01:35 AM
Sci Advisor
P: 3,371
http://en.wikipedia.org/wiki/Partial_molar_property
there is also a partial molare volume calculator under "External Links".
Borek
Borek is offline
#3
Nov11-13, 04:09 AM
Admin
Borek's Avatar
P: 22,683
General answer: there is no general method that doesn't require experimental parameters.

The only way of doing the calculations is with the use of density tables. However, these rarely exist for solutions containing more than two substances.

See if my concentration calculator doesn't help (and the dilution calculator in particular). It has built in density tables for over 300 compounds (including some of the miscible ones, like ethanol), and you can add density tables at any time (assuming you will be able to find them). Note: these are all water solutions.


Register to reply

Related Discussions
Determining pH when given volume and concentration of a solution? Biology, Chemistry & Other Homework 5
Finding volume of a solution using %W/V Biology, Chemistry & Other Homework 1
pH of HCl solution as a function of volume. Biology, Chemistry & Other Homework 1
What volume of this solution is required to make 1.25 L Biology, Chemistry & Other Homework 7
Solution manual for Courant Volume I Science & Math Textbook Listings 3