Answer:
It changed from unsaturated to saturated solution
Explanation:
Before adding the spatula tip full amount, the solution was unsaturated, but as soon as the spatula tip full amount was added and couldn't dissolve, it became unsaturated because it could not dissolve any more solute having already dissolved it maximum number of solute
B cause it tells how it moves
The number of moles of carbon atoms that are in 0.45 moles of C3H6O is 1.35 moles
step by step explanation
Find the total number of carbon atom in C3H6O
that is 1 x 3 = 3 atoms
0.45 moles is for one atom
what about 3 atoms
by cross multiplication
3 x0.45 = 1.35 moles