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lisabon 2012 [21]
3 years ago
15

Please help me please ​

Chemistry
1 answer:
sweet-ann [11.9K]3 years ago
7 0

Explanation:

1 sugar solution =Distillation

2 Iron powder and sand=magnetic separation

3 petrol and diesel= Fractional distillation

4 Camphor and glass powder = Sublimation

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Find the atomic masses for each element and multiply it by the number of atoms in the compound, then add.


C- 12.0 * 2= 24.0


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Take the masses for each element and divide it by the total mass. Then change the answer to get the percent.


C 24.0 / 28.0= .857 = 85.7%


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<h3>Ethylene is 85.7% Carbon and 14.3% Hydrogen </h3>
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