Chemist's Acid Mixture Calculation
a) How many milliliters of acid are in the resulting mixture?
A chemist mixes 150 milliliters of a solution that is 45% acid with 100 milliliters of pure acid. What is the total amount of acid in the resulting mixture?
b) What percentage of the resulting mixture is acid?
If a chemist mixes 150 milliliters of a solution that is 45% acid with 100 milliliters of pure acid, what percentage of the resulting mixture is acid?
a) Answer:
The total amount of acid in the resulting mixture is 167.5 milliliters.
b) Answer:
The percentage of acid in the resulting mixture is 67%.
To find the amount of acid in the resulting mixture, we are given that the chemist mixes 150 milliliters of a solution that is 45% acid with 100 milliliters of pure acid. The amount of acid present in 150 milliliters of the 45% solution is calculated as follows:
Amount of acid in 45% solution: (45/100) × 150 milliliters = 67.5 milliliters
Amount of acid in 100% pure acid: 100 milliliters
Total acid in the mixture: 67.5 + 100 = 167.5 milliliters
Therefore, there are 167.5 milliliters of acid in the resulting mixture.
To determine the percentage of acid in the resulting mixture, we calculate:
Total volume of the resulting mixture: 150 + 100 = 250 milliliters
Percentage of acid in the resulting mixture: [(Total acid present in the mixture) / (Total volume of the mixture)] × 100%
Percentage calculation: (167.5 / 250) × 100% = 67%
Therefore, the resulting mixture consists of 67% acid.