What is the molar solubility of zinc oxalate ( ZnC204) in water? The solubility-

product constant for ZnC04 is 2.7 x 10-8 at 25°C.

O

1.4 x 10-8

O 7.57

5.4 x 10-8

1.6 x 10-4

2.3 x 10-4

Question 12.11 noint)

Newtons second law deals most cosely with

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing