A 55 ml volume of a 35% (W/V) calcium nitrate solution is diluted to a final volume of 135 mls. What is the new concentration of the solution?

A) 8.2%
B) 12%
C) 14%
D) 17%

Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.

List four observations that indicate that a chemical reaction may be taking place

How many miles of water are produced if 5.43 mol pbo2 are consumed