Find the value for each of the solutions below.
1) What is the molarity of a 125 mL solution containing 0.050 moles of NH3.
2) How many grams of KNO3 are required to make 2.0 L of 1.5 M KNO3?
3) What is the concentration of a solution created by diluting 5.0 mL of a 0.90 M solution to 80.0 mL?
4) What is the original concentration of a 2.5 mL solution if the diluted solution is 15.00 mL at 0.100 M?