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An organic compound made up of `C, H`, and `N` contains `20%N`. The molecular mass of the organic compound isA. `100 u`B. `65 u`C. `140 u`D. `70 u` |
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Answer» Correct Answer - D As per the information, we can only find out the minimum molecular mass of the compound considering one `N` atom per molecule. Thus, `%` of `N = ("Atomic mass of N")/("Minimum molecular mass of compound") xx 100%` `20% = (14 u)/("Minimum molecular mass") xx 100%` or Minimum molecular mass of compound `= (14 u)/(20 %) xx 100%` `=70 u` |
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