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

    15
    ReputationRep:
    How many mol of C4H12IN are contained in 0.5000g?
    Give your answer to three decimal places
    I got 0.002487
    What is the mass in grams of 5.1 mmol of iodine?
    I got 1.294g
    Offline

    7
    ReputationRep:
    how did you obtain the second answer?
    • Thread Starter
    Offline

    15
    ReputationRep:
    (Original post by ASHLEYTMK)
    how did you obtain the second answer?
    Iodine is diatomic so the formula mass is 253.8
    ans*0.0051=1.294
    Offline

    7
    ReputationRep:
    Yeah both answers check out
 
 
 
  • 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
    Did TEF Bronze Award affect your UCAS choices?
  • 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

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