The new 8.25% bleach concentration is thirty percent more concentrated than the former bleach . What was the approximate % by mass concentration of the old bleach?

Its strengthits conductivity of heat and electricity its shiny colourmalleable and ductility

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