Turn on thread page Beta

Calculating the concentration in gdm-3 and mol dm-3. watch

    • Thread Starter
    Offline

    8
    ReputationRep:
    Hello everyone. My question is below:

    A solution of sodium hydroxide contains 1.00g of sodium hydroxide in 250cm3 of solution. M(NaOH)= 40 gmol-1.

    Calculate the concentration of sodium hydroxide in:

    a) g dm-3

    b) mol dm-3


    Please provide a detailed solution. Thanks
    Offline

    17
    ReputationRep:
    (Original post by dajjal619)
    Please provide a detailed solution. Thanks
    What have you tried to do so far? Apart from just ask us.
    • Thread Starter
    Offline

    8
    ReputationRep:
    (Original post by Pigster)
    What have you tried to do so far? Apart from just ask us.

    Hi, i tried converting into moles and other stuff. and what all. but i cant seem to figure it out. but trust me i tried. Can you help me? i would be very grateful.
    Offline

    9
    ReputationRep:
    (Original post by dajjal619)
    Hi, i tried converting into moles and other stuff. and what all. but i cant seem to figure it out. but trust me i tried. Can you help me? i would be very grateful.
    Post your working. What is it you can't figure out?

    The concentration is the number of moles/mass of substance in 1 dm3.
    Offline

    22
    ReputationRep:
    a) Covert 250cm3 into dm3 then do 1 gram divided by the converted volume (dm3)
    Posted on the TSR App. Download from Apple or Google Play
 
 
 
Reply
Submit reply
Turn on thread page Beta
Updated: February 24, 2018

University open days

  • University of Warwick
    Undergraduate Open Days Undergraduate
    Sat, 20 Oct '18
  • University of Sheffield
    Undergraduate Open Days Undergraduate
    Sat, 20 Oct '18
  • Edge Hill University
    Faculty of Health and Social Care Undergraduate
    Sat, 20 Oct '18
Poll
Who is most responsible for your success at university

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Write a reply...
Reply
Hide
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.