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2. A brand of chocolate, brand B sold in the same store with a mass of 10 grams containg 2 grams cocoa powder.
What is the percent by mass of cocoa powder?
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Sagot :

Queenciemariedeguzmaidn

A brand of chocolate, brand B sold in the same store with a mass of 10 grams containg 2 grams cocoa powder What is the percent by mass of cocoa powder? Given: mass of solute total mass of solution 2 grams cocoa powder 10 grams tabnlla Required: percent by mass cocoa powder Solution: percent by mass mass of solute X 100 total mass of solution percent by mass percent by mass cocoa powder

Answer:

A brand of chocolate called brand A is aold in a store .its mass is 10 grams containing 6.2 grams cocoa powder.what is the percent by mass of cocoa powder

Given : Mass of solute : 6.8 grams cocoa powder

Total Mass of solution : 20 grams of cocoa powder solution

Required : Percent by Mass

Percent by Mass = 6.8 grams/10grams × 100

Percent by Mass = 68 %

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