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Mekhanik [1.2K]
3 years ago
8

A compound has an empirical formula of

Chemistry
2 answers:
Ksju [112]3 years ago
8 0

Answer: C12H12N2O2 (Cyclomethyltryptophan)

chubhunter [2.5K]3 years ago
3 0

Answer:

c

Explanation:

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A mathematically described area round a nucleus in an atom or molecule that may also include zero, one, or two electrons Electrons organize themselves in cloudlike areas round the nucleus referred to as orbitals.

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Which of the following is NOT studied in Earth Science?
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Please. help. me!!!!!!!!!!! I don't have all the sources to figure this one out!
Anon25 [30]

Answer:

The answer to your question is below

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Element      Atomic number   Atomic mass   # proton   # neutron  # electron

Copper           29                          64                    29              35              29

Fluorine            9                           19                      9               10                9

Lead              82                        207.2                  82            125               82

Sodium          11                            23                     11                12                11

Nitrogen          7                            14                      7                 7                 7

47.- Atomic number, Atomic mass, number of protons, neutrons and electrons

48.- Element, atomic mass, number of protons, neutrons and electrons

49.- Element, atomic number, atomic mass, neutrons and electrons

50.- element, atomic number, atomic mass, protons and neutrons

51.- element, atomic number, protons, neutrons and electrons

                           

3 0
3 years ago
Calculate the mole fraction of each component in a solution of 42 g CH3OH, 35 g of chloroform CHCl3, and 50 g C3H7OH
koban [17]

Considering the definition of mole fraction, the mole fraction of each component in the solution is:

  • CH₃OH: 0.54
  • CHCl₃: 0.118
  • C₃H₇OH: 0.342

<h3>Mole fraction</h3>

The molar fraction is a way of measuring the concentration that expresses the proportion in which a substance is found with respect to the total moles of the solution.

<h3>Mole fraction of each component</h3>

In this case, in first place you should know that the molar mass of each component is:

  • CH₃OH: 32 \frac{g}{mole}
  • CHCl₃: 121.35 \frac{g}{mole}
  • C₃H₇OH: 60 \frac{g}{mole}

Now, the number of moles of each compound can be calculated as:

  • CH₃OH: \frac{42 g}{32\frac{g}{mole}}=  1.3125 moles
  • CHCl₃: \frac{35 g}{121.35\frac{g}{mole}}= 0.2884 moles
  • C₃H₇OH: \frac{50 g}{60\frac{g}{mole}}=  0.8333 moles

So, the total moles of the solution can be calculated as:

Total moles = 1.3125 moles + 0.2884 moles + 0.8333 moles

<u><em>Total moles = 2.4342 moles</em></u>

Finally, the more fraction of each component can be calculated as follow:

  • CH₃OH: \frac{1.3125 moles}{2.4342 moles}= 0.54
  • CHCl₃: \frac{0.2884 moles}{2.4342 moles}= 0.118
  • C₃H₇OH: \frac{0.8333 moles}{2.4342 moles}= 0.342

In summary, the mole fraction of each component in the solution is:

  • CH₃OH: 0.54
  • CHCl₃: 0.118
  • C₃H₇OH: 0.342

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4 0
3 years ago
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