Answer:
There are 8 bonding electrons and 0 nonbonding electron on carbon atom
Explanation:
consists of two C=O bonds.
Total number of valence electrons in are 16.
Two C=O bonds uses 8 electrons from 16 available electrons. Rest of the electrons are used to fulfill octet of two oxygen atoms.
Hence 8 electrons are present as nonbonding electrons on two oxygen atoms.
So, Carbon atom contains 8 bonding electrons and 0 nonbonding electrons.
Lewis structure of has been given below.
Answer: Option (B) is the correct answer.
Explanation:
Molar mass is defined as the sum of masses of all the atoms present in a compound.
For example, atomic mass of barium is 137.32 g/mol and atomic mass of bromine is 79.90 g/mol.
Therefore, molar mass of will be as follows.
Molar mass = atomic mass of Ba +
= 137.32 g/mol +
= 297.12 g/mol
Hence, we can conclude that molar mass of [tex]BaBr_{2}[tex] is 297.12 g/mol.