How many liters of water are needed to dissolve 38.41 grams of CaCl2 to make a 2.1 M solution?

Sorry i think the answer is b

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   

Answer it is also known as the completion state is untrue of the activation complex;