Text only
|
Text with Images
ChemTopper Free Chemistry Help
Chemistry Homework Help => General Chemistry => Topic started by: 7777777 on May 29, 2012, 09:58:41 PM
Title:
Chemistry
Post by:
7777777
on
May 29, 2012, 09:58:41 PM
Express the concentration of a 2.0 M NaOH solution as a mass/volume percent.
How do you do this question?
Title:
Re: Chemistry
Post by:
uma
on
June 21, 2012, 11:09:34 PM
2.0 M means 2.0 moles of NaOH in 1L of solution
so Volume -1L = 1000mL
mass - moles X Molar mass
mass = 2X 40 = 80 g
m/v = (80 g/1000mL) X 100%
Text only
|
Text with Images