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Topic Topic: Determining the charge of an ion by electrolysis Post ReplyNew Question
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Joined: 26 June 2005
Posts: 918
Posted: 26 July 2005 at 4:12pm | IP Logged Quote System

30.0g of the metal samarium (symbol Sm) was discharged in electrolysis by a current of 2.4A flowing for 24125 seconds. What is the formula of samarium ions? [Sm= 150]
    A.   Sm2+
    B.   Sm3+
    C.   Sm2-
    D.   Sm3-
 QUIZ QUESTION #394 created by Tutor9195 on 25 July 2005 at 1:51am

Correct answer: B    Correct clicks: 57.14%  Wrong clicks: 42.86%
    A.   [20 clicks 20.41%] 
    B.   [56 clicks 57.14%] 
    C.   [16 clicks 16.33%] 
    D.   [6 clicks 6.12%] 
Please discuss this quiz question.
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