PROBEM SOLVING. Solve the following problem. III. Sample problem 1
Jennie was tasked to identify the percent of volume in an ethyl alcohol. What is the percent by volume of ethyl alcohol in a 250 mL bottle of alcohol solution that contains 50 mL of ethyl alcohol?
A, Identify the solute in the given problem._____
Percent by Volume = Volume of solute x 100% =
Volume of solution
Percent by Volume =
Jennie was tasked to identify the percent of volume in an ethyl alcohol. What is the percent by volume of ethyl alcohol in a 250 mL bottle of alcohol solution that contains 50 mL of ethyl alcohol?
A, Identify the solute in the given problem._____
Percent by Volume = Volume of solute x 100% =
Volume of solution
Percent by Volume =
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Answer:
Answer:
The Volume of a 70% ethyl alcohol solution in a 250 ml to fight COVID-19 is 28ml.
-I'll use quantitative methods of expressing concentrations.
Explanation:
Given:
Volume of solute = 70%
Volume of solution = 250 ml
% by Volume = ?
(% V/V)
Solution:
volume of solute
percent by volume= ______________×100
volume of solution
= 70.0%
________×100
250 ml
= 0.28 × 100
= 28 %
PS. I'm deeply sorry if there's mistakes in this answer
Have a good day:)
Explanation: