Hey there! Sign in to join this conversationNew here? Join for free
    • Thread Starter
    Offline

    2
    ReputationRep:
    Please can someone help with this question and explained how they got the answer.
    How many moles of HCL are there in 230cm cubed of 2M hydrochloric acid?
    Thanks
    Offline

    18
    ReputationRep:
    n=c x v
    moles = concentration x volume

    M is another way of writing mol dm^-3 (aka concentration)
    v is in dm^3 (1000cm^3 in 1dm^3)

    so;
    n=cxv=2 x (230/1000) = 0.46 mol

    • Thread Starter
    Offline

    2
    ReputationRep:
    Thanks
    (Original post by kelefi)
    n=c x v
    moles = concentration x volume

    M is another way of writing mol dm^-3 (aka concentration)
    v is in dm^3 (1000cm^3 in 1dm^3)

    so;
    n=cxv=2 x (230/1000) = 0.46 mol

 
 
 
  • See more of what you like on The Student Room

    You can personalise what you see on TSR. Tell us a little about yourself to get started.

  • Poll
    Has a teacher ever helped you cheat?
  • See more of what you like on The Student Room

    You can personalise what you see on TSR. Tell us a little about yourself to get started.

  • 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.