Railways R.R.C. (Hajipur) Solved Paper Held on 1st Shift 30-11-2014

  • question_answer
    One mole is equal to a collection of?

    A) \[1.67\times {{10}^{19}}\]particles        

    B) \[9.108\times {{10}^{31}}\]particles

    C) \[6.023\times {{10}^{23}}\]particles

    D) \[1.67\times {{10}^{27}}\]particles

    Correct Answer: C

    Solution :

    Mole is the S.I. unit of measurement used to measure the number of things, usually atoms or molecules. One mole of something is equal to\[6.02214\times {{10}^{23}}\]


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