CaCl2(aq) + 2K(s) --> 2KCl(aq) + Ca(s) In the above reaction, what is/are the spectator ion(s)?
a. Ca+2
b. Cl-
c. K+
d. K+ and Cl-
e. Ca+2 and K+

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

Calculate the number of molecules present in 0.750 mol of mgo.

How many moles of al3+ ions are in 1.25 moles of al2o3