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which one of the following contains 39% carbon by mass?

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Matt OcampoLv10
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Related questions

Which one of the following contains 39% of carbon by mass

  1. Use the information provided to determine the empirical and molecular formula for each of the following:     

    a. 39% carbon, 3.47% hydrogen, and 55.14% oxygen; experimental molar mass: 116.07g

    b. 53% carbon, 9.15% hydrogen, and 36.32% oxygen; experimental molar mass: 88g;

    c. 27% carbon, 7.19% hydrogen, and 28.54% oxygen; experimental molar mass 168.19g

    d. A hydrocarbon containing 17.4% hydrogen by mass, with a molar mass of 58.1g.

DRAW THE STRUCTURE OF THE FOLLOWING COMPOUND:

FTIR 3040 and 2970 cm-1.

MS M+ = 172 (height 9) and 170 (height 10)
Compound contains carbon, hydrogen and a halide

MS mass values 77, 91, 170, 172

1H NMR ? values 7.2-7.4 (multiplet, 5H), 4.5 (s, 2 H)

13C NMR ? values 39, 127, 129, 133, 137.

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