Suspended clay particles make a river sample appear noticeably darker near the bottom…
CHEMISTRY · Subjective · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties
Problem
Suspended clay particles make a river sample appear noticeably darker near the bottom than near the surface, while dissolved calcium ions are present throughout. Describe in one to two sentences which components of the river water form a heterogeneous mixture and which form a homogeneous mixture, citing the observed property differences.