Answer:
A 500mL rubbing alcohol contains 350mL of isopropyl alcohol.
How to Calculate for Solute
1. Identify the given.
% v/v = 70% or 0.70
mL of solution = 500mL (rubbing alcohol)
2. Identify which quantity is required.
mL of solute = ? (isopropyl alcohol)
3. List down the equation to be used.
mL of Solute = (% v/v)(mL of solution)
4. Then, substitute the given quantities in the equation.
mL of solute = (0.70)(500mL)
5. Simplify or solve the equation, and interpret the answer.
mL of solute = 350mL of isopropyl alcohol
Interpretation: There is 350mL of isopropyl alcohol in a 500mL rubbing alcohol solution.
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Answers & Comments
Answer:
A 500mL rubbing alcohol contains 350mL of isopropyl alcohol.
How to Calculate for Solute
1. Identify the given.
% v/v = 70% or 0.70
mL of solution = 500mL (rubbing alcohol)
2. Identify which quantity is required.
mL of solute = ? (isopropyl alcohol)
3. List down the equation to be used.
mL of Solute = (% v/v)(mL of solution)
4. Then, substitute the given quantities in the equation.
mL of solute = (0.70)(500mL)
5. Simplify or solve the equation, and interpret the answer.
mL of solute = 350mL of isopropyl alcohol
Interpretation: There is 350mL of isopropyl alcohol in a 500mL rubbing alcohol solution.