Answer:
0.39760273
Explanation:
I typed into calculator hope it's right.
It's classified as an acid
I would say b is the correct answer
If the difference in electronegativtiy for the atoms in a bond are greater than 0.4,we consider the bond polar, if the electronegativity is less than 0.4, we consider it non polar. if there are no polar bonds, the molecule is non polar.