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What I Have Learned Now that you have learned a lot from our module, let us test your familiarity with our lesson by simply answering our mind cracking problem. Are you ready? Let us start the ball rolling,

1. If I make a solution by adding water to 75mL of ethanol until the total volume of the solution is 375ml, what is the percent by volume of ethanol in the solution?

2. Rubbing alcohol is sold as a 70% (v/v) solution of isopropyl alcohol in water. What volume of isopropyl alcohol is used to make 500mL of rubbing alcohol?

3. A bottle of hydrogen peroxide also known as agua oxigenada is labeled 3% (v/v). How many mL of agua oxigenada are in a 400ml bottle of this solution?​


What I Have Learned Now That You Have Learned A Lot From Our Module Let Us Test Your Familiarity With Our Lesson By Simply Answering Our Mind Cracking Problem A class=

Sagot :

Answer:

  1. 25%
  2. 1 liter
  3. 75ml

Explanation:

yan po

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pagdi masunod delete agad answer ko