Silver (ag) has a molar mass of 107.8682 g, nitrogen has a molar mass of 14.0067 g, and oxygen has a molar mass of 15.9994 g. wh
2 answers:
Answer : The molar mass of silver nitrate is, 169.87 g
Explanation :
Molar mass : It is defined as mass of 1 mole of a substance.
Given:
Molar mass of Sliver (Ag) = 107.8682 g
Molar mass of nitrogen (N) = 14.0067 g
Molar mass of oxygen (O) = 15.9994 g
Now we have to calculate the molar mass of silver nitrate
Molar mass of silver nitrate = Molar mass of Sliver (Ag) + Molar mass of nitrogen (N) + (3 × Molar mass of oxygen (O))
Molar mass of silver nitrate = 107.8682 g + 14.0067 g + 3(15.9994 g)
Molar mass of silver nitrate = 169.87 g
Therefore, the molar mass of silver nitrate is, 169.87 g
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Answer: Option (e) is the correct answer.
Explanation:
A bond that is formed when an electron is transferred from one atom to another results in the formation of an ionic bond.
For example, NaBr will be an ionic compound as there is transfer of electron from Na to Br.
Whereas a bond that is formed by sharing of electrons is known as a covalent bond.
For example, will be a covalent compound as there is sharing of electron between carbon and bromine atom.
Also, when electrons are shared between the combining atoms and there is large difference in electronegativity of these atoms then partial charges develop on these atoms. As a result, it forms a polar covalent bond.
For example, in a HBr compound there is sharing of electrons between H and Br. Also, due to difference in electronegativity there will be partial positive charge on H and partial negative charge on Br.
Thus, we can conclude that out of the given options HBr is the only compound that has polar covalent bonds.