The unknown in panacetin is either acetanilide or phenacetin. Regardless of which it is either one is more soluble in dichloromethane than aqueous sodium bicarbonate. Why

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

16

explanation:

the marks go by 4s

i think its 100

i hope this !