Lamps heat up a coil inside a light bulb, TVs heat up tiny lamps behind liquid crystals to project a tiny image called a pixel
        
             
        
        
        
If  1mole ------------- is ---------------- 6.02*10²³
than 0.25mole ----- is ----------------  x
x = [0.25mole*6.02*10²³]/1mole = <u>1,505*10²³</u>
        
             
        
        
        
Ion-dipole forces
H2O has hydrogen bonding, which is a form of dipole-dipole forces, and NO3- is an ion, so the intermolecular attraction is ion-dipole.
        
             
        
        
        
The answer to this question would be C. I hope this helps!