Determine the amount of potassium chloride in each of the following solutions: 44mg of a solution containing 15% KCl by mass.
To determine the amount of potassium chloride (KCl) in a solution, you need to consider the mass of the solution and the percentage of KCl in the solution. In this case, we have 44mg of a solution containing 15% KCl by mass.
Step 1: Convert the percentage to a decimal. Divide the given percentage by 100.
15% = 15/100 = 0.15
Step 2: Calculate the mass of KCl in the solution by multiplying the mass of the solution by the decimal representing the percentage of KCl.
Mass of KCl = 44mg * 0.15 = 6.6mg
Therefore, there is 6.6mg of potassium chloride (KCl) in the given solution.