A solution contains 2 mEq/mL of KCL (Molecular weight 74.5). If a 20 mL ampule of this solution is diluted to 1 liter what is the percent strenght of the resulting solution?

To calculate the percent strength of the resulting solution after dilution, we need to know the total number of milliequivalents (mEq) of KCL in the diluted solution.

First, let's calculate the total number of mEq of KCL in the 20 mL ampule:

2 mEq/mL * 20 mL = 40 mEq

Next, we need to calculate the total number of mEq of KCL in the 1 liter (1000 mL) diluted solution:

40 mEq / 20 mL = x mEq / 1000 mL

Cross-multiply and solve for x:

x = (40 mEq * 1000 mL) / 20 mL
x = 2000 mEq

Now that we have the total number of mEq in the diluted solution (2000 mEq), we can calculate the percent strength:

Percent strength = (mEq in diluted solution / total volume of diluted solution) * 100

Percent strength = (2000 mEq / 1000 mL) * 100
Percent strength = 200%

Therefore, the resulting solution has a percent strength of 200%.