Proportionality in Sanitizing Solutions

The video tutorial explains how to mix bleach and water in a proportional manner to create a sanitizing solution. It begins by introducing the concept of proportional mixing, followed by calculating the proportionality constant. The instructor demonstrates how to verify if given combinations of bleach and water maintain the correct proportion by using the constant. The video concludes by confirming the correct combinations and ruling out incorrect ones.

What is the initial ratio of bleach to water used by Mael?

• 15 milliliters of bleach to 3.75 liters of water

• 10 milliliters of bleach to 2.5 liters of water

• 20 milliliters of bleach to 5 liters of water

• 5 milliliters of bleach to 1.25 liters of water

How is the proportionality constant calculated in this scenario?

• By dividing the amount of bleach by the amount of water

• By multiplying the amount of bleach by the amount of water

• By dividing the amount of water by the amount of bleach

• By adding the amount of bleach and water

What is the proportionality constant between bleach and water?

• 1.5

• 2.0

• 0.25

• 0.5

Which combination of bleach and water maintains the correct proportionality?

• 12 milliliters of bleach and 3 liters of water

• 20 milliliters of bleach and 5.5 liters of water

• 11 milliliters of bleach and 3.75 liters of water

• 15 milliliters of bleach and 4 liters of water

What is the result of multiplying 6 milliliters of bleach by the proportionality constant?

• 2 liters of water

• 1.5 liters of water

• 0.75 liters of water

• 3 liters of water

What is the correct proportionality constant for the combination of 3 milliliters of bleach and 0.75 liters of water?

• 1.0

• 0.75

• 0.25

• 0.5

Why does the combination of 20 milliliters of bleach and 5.5 liters of water not work?

• Because 5.5 is more than one fourth of 20

• Because 5.5 is less than one fourth of 20

• Because 5.5 is not one fourth of 20

• Because 5.5 is exactly one fourth of 20

Which of the following is NOT a correct combination of bleach and water?

• 12 milliliters of bleach and 3 liters of water

• 6 milliliters of bleach and 1.5 liters of water

• 3 milliliters of bleach and 0.75 liters of water

• 11 milliliters of bleach and 3.75 liters of water

How can you verify if a combination maintains the correct proportionality?

• By checking if the water is four times the bleach

• By checking if the water is one fourth of the bleach

• By checking if the water is half the bleach

• By checking if the water is twice the bleach

What is the main reason the last two combinations are incorrect?

• They have less bleach than required for the water

• They have more water than bleach

• They have more bleach than water

• They have the same amount of bleach and water