# Calculate the w/v percentage of each of these solutes:A. 623 mg of casein in 15 mL of milkB. 74 mg of vitamin C in 250 mL of orange juiceC. 3.25 g of sucrose in 186 mL of coffee

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Calculate the w/v percentage of each of these solutes:

A. 623 mg of casein in 15 mL of milk

B. 74 mg of vitamin C in 250 mL of orange juice

C. 3.25 g of sucrose in 186 mL of coffee

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Step 1

Part-a: 623 mg of casein in 15 mL of milk

Formula to calculate w/v percentage :

w/v percentage = mass of solute / volume of solution X 100

Mass of solute = 623 mg

Volume of milk = 15 mL

Substitute the known values in the formula,

(623 X 10-3 g /15 mL) X 100 = 4.153 %

Step 2

B. 74 mg of vitamin C in 250 mL of orange juice

Formula to calculate w/v percentage :

w/v percentage = mass of solute / volume of solution X 100

Substitute the...

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### Chemistry 