How do I calculate the molar concentration of a solution?

  • 7 Replies
  • 8478 Views

0 Members and 1 Guest are viewing this topic.

*

Offline good_day_sunshine_08

  • First timers
  • *
  • 8
  • something witty goes here
    • View Profile
I've forgotten completly how to do this type of problem since moving on to chemical kinetics. So please help me.

Commercial bleach is 6%, by mass, aqueous solution of sodium hypochlorite, NaClO. What is the molar concentration of NaClO?
« Last Edit: 27/04/2009 22:05:27 by chris »

*

Offline Chemistry4me

  • Neilep Level Member
  • ******
  • 7709
    • View Profile
Re: How do I calculate the molar concentration of a solution?
« Reply #1 on: 26/04/2009 05:24:05 »
What do you think you should work out first?

*

Offline good_day_sunshine_08

  • First timers
  • *
  • 8
  • something witty goes here
    • View Profile
Re: How do I calculate the molar concentration of a solution?
« Reply #2 on: 26/04/2009 06:01:52 »
that's the problem i honestly don't remember.

*

Offline Chemistry4me

  • Neilep Level Member
  • ******
  • 7709
    • View Profile

*

Offline good_day_sunshine_08

  • First timers
  • *
  • 8
  • something witty goes here
    • View Profile
Re: How do I calculate the molar concentration of a solution?
« Reply #4 on: 26/04/2009 06:09:49 »
yeah, i have notes too. They say pretty much the same thing, thanks though.

*

Offline Chemistry4me

  • Neilep Level Member
  • ******
  • 7709
    • View Profile
Re: How do I calculate the molar concentration of a solution?
« Reply #5 on: 26/04/2009 06:12:27 »
So you've worked it out?

*

Offline Chemistry4me

  • Neilep Level Member
  • ******
  • 7709
    • View Profile
Re: How do I calculate the molar concentration of a solution?
« Reply #6 on: 26/04/2009 06:17:26 »
Using density of NaOCl as 1.08g/ml, I get an answer of 0.870 mol L-1

*

Offline good_day_sunshine_08

  • First timers
  • *
  • 8
  • something witty goes here
    • View Profile
Re: How do I calculate the molar concentration of a solution?
« Reply #7 on: 26/04/2009 06:18:03 »
nope, working on re-reading the notes currently.