A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 5 years ago

10.0ml of 5.0% NaCl solution. To this you add 5.00ml of a 2.0% NaCl solution. What is the molarity of NaCl in this final mixture?

  • This Question is Closed
  1. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    dunno what molarity is but the final solution is: 10(.05) + 5(.02) = 15(x) .5 + .1 = 15x .6 = 15x x = .6/15 = 6/150 = 2/50 = 1/25 = .04 x = .04; which is 4%

  2. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    whats molarity? it sounds toothy lol

  3. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    molarity is moles of solute dissolved per liter, it's been so long since i've looked at lab math I'm completely lost

  4. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    well, we get 15mL of a 4% table salt solution...if that helps :)

  5. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    definitely, i appreciate the assistance

  6. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    youre welcome :)

  7. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.