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CBSE Class 11-science Answered

URGENT!  Dear expert, Pls help me out with this question with a proper solution:  If the atomic mass unit 'u' were defined to be 1/5th of the mass of Carbon -12 isotopes what will be the atomic mass of nitrogen on carbon scale?(atomic weight of N on conventional scale= 14) 
Asked by pratikshyadashrkl | 13 May, 2020, 08:29: PM
answered-by-expert Expert Answer
First let's see conventional scale-
Atomic mass of C-12 is 12 u
Atomic mass of N is 14 u
 
 
In new scale-
atomic mass unit is defined as 1/5 mass of carbon. (suppose its symbol is u )
new atomic mass unit becomes 1/5 of conventional mass unit.
So,
straight u to the power of apostrophe equals 1 fifth straight u

So comma space now space mass space of space straight C minus 12 equals space 12 cross times 1 fifth space straight u to the power of apostrophe equals 2.4 space atomic space mass space unit

Mass space of space straight N equals 14 cross times 1 fifth
space space space space space space space space space space space space space space space space equals 2.8 space space atomic space mass space unit
Answered by Ravi | 13 May, 2020, 09:18: PM
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