i didnt use the density at all. you know the compound so you know the mr of the compound. so you mess aroiund with the numbers to change mg/dm3 to mol/dm-3
So stuck on gold! can any explain please? im guessing its 3 elements in red blood cells, leaves etc? something to do with porphyrins? or am I completely missing something :P thanks!
So stuck on gold! can any explain please? im guessing its 3 elements in red blood cells, leaves etc? something to do with porphyrins? or am I completely missing something :P thanks!
You're looking for three different metal atoms that occur in three different types of porphyrin (look at the pictures in the background)
So stuck on gold! can any explain please? im guessing its 3 elements in red blood cells, leaves etc? something to do with porphyrins? or am I completely missing something :P thanks!