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Svetllana [295]
3 years ago
10

Explain the difference between atomic numbers and atomic mass

Chemistry
1 answer:
Zanzabum3 years ago
6 0

Answer:

The major difference between atomic number and mass number is that the atomic number states the number of protons present in an atom whereas, the mass number indicates the total of the number of protons and the number neutrons present in an atom.

Explanation:

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If you had 15 moles of Oxygen (O2), how many moles of water (H2O) would you be able to make?
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Answer:

30 moles of water will produced.

Explanation:

Given data:

Number of moles of O₂ react = 15 mol

Number of moles of water formed = ?

Solution:

Chemical equation:

2H₂ + O₂      →     2H₂O

Now we will compare the moles of water with oxygen.

                  O₂           :          H₂O

                   1             :            2

                   15           :           2×15 = 30 mol

30 moles of water will produced.

                   

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