Rubbing alcohol is sold over the counter as a topic (skin) antiseptic. Rubbing alcohol is typically 70.0 % (v/v) iso-propyl alcohol, C3H7OH, in water. How much of this solution can you prepare with 500.0 mL of pure C3H7OH?

Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf   

We can't until we know what we are working with or on

Answerstudying coal cumbustion as an energy source;