How many iron and chlorine atoms are there in an #18*mol# quantity of #FeCl_3#?
How many eggses in 18 dozen eggs? Are there not 216 individual eggs?
The mole is simply another collective number like a dozen, or a gross, or a score; just as there are
And so we gots an
What is the mass of this molar quantity?
And why should we use such an absurdly large number like a mole? If the answer is not immediately apparent, then what is the MASS of