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March 26, 2017

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If I have a 1200 gram sample of a soft drink and it contains 180 grams of sugar, the percentage by mass of the sugar in the drink is 15%. If the sugar in the drink is sucrose (C12H22O11), how many grams of pure carbon can be obtained from decomposing all of the sugar in the soft drink?

  • Pre AP Chemistry - ,

    76 grams
    Find the formula mass of sucrose=342 grams
    Part/whole*100 which is 144/342*100=42.1%
    42.1% of 180 grams= 76 grams

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