Vinegar is commonly sold as a 5 percent (v/v) solution of acetic acid in water. this measurement means which of the following?
5 grams of acetic acid/100 grams of solution
5 grams of acetic acid/100 grams of water
5 ml of acetic acid/100 ml of solution
5 ml of acetic acid/100 ml of water

The correct answer is : 5 mL of acetic acid/100 mL of solution

Explanation:

The 5 percent (v/v) measurement tells us about volume of the pure acetic acid in an overall solution.

Suppose in 1000 mL of solution , the volume of acetic acid be x

x = 50 mL

Similarly in 100 ml of solution, let the of acetic acid volume be y.

y = 5 mL

b) mutualism

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