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ianian

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    physics,mathematics

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  1. ianian
    Thank you, I will try it out.
  2. ianian
    Please help me to solve this problem(give me some hints). Thank you so much! A sample of cocaine, C7H21O4N, is diluted with sugar, C12H22O11. When a 1.00mg sample of this mixture is burned, 1.00mL of carbon dioxide(d=1.80g/L) is formed. What is the percentage of cocaine in this mixture?
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