There are 1,000m is 1k. So just move the decimal one position right. 127.56m
There are 10,000cm in 1k. Move the decimal two positions right. 1275.6cm
Answer:
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The answer is D. hope I was right
A molecular formula represents the exact number of atoms present for each element in the compound.
For carbon atom:
=
( as molar mass of carbon is 12 g/mol)
Now, 6 carbon atoms are present and rest are hydrogen atoms i.e. 6
Thus, formula becomes
(
Now, check for unsaturation:
Degree of unsaturation = 
Substitute the value of x and y,
Degree of unsaturation = 
= 
=
implies one ring and three double bonds.
Thus, formula comes out to be
i.e. benzene ring.