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Serjik [45]
2 years ago
15

5.14 x 1023 ions NaCl to Moles

Chemistry
1 answer:
Alex787 [66]2 years ago
3 0

Answer:

2 moles

Explanation:

For a mole NaCi, we have a mole of sodium ion and a mole of chloride.

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The electron configuration of an element is 1s22s22p63s1 Describe what most likely happens when an atom of this element comes ne
trasher [3.6K]

Answer:

They will create an ionic bond.

Explanation:

The atom with the one valence electron will lose its one, because it's a metal and metals will lose electrons to become stable. The nonmetal (with 7 valence electrons) will gain that electron, therefore creating a stable octet for the nonmetal, making the compound stable.

3 0
2 years ago
7.5 moles of nitrogen gas (N2) is formed in the following reaction. How many grams
AfilCa [17]

Answer:

Mass = 255 g

Explanation:

Given data:

Number of moles of nitrogen = 7.5 mol

Mass of ammonia formed = ?

Solution:

Chemical equation:

3H₂ + N₂      →    2NH₃

Now we will compare the moles of nitrogen and ammonia.

             N₂         :        NH₃

               1          :         2

              7.5       :       2/1×7.5 = 15

Mass of ammonia:

Mass = number of moles × molar mass

Mass = 15 mol × 17 g/mol

Mass = 255 g

6 0
2 years ago
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oee [108]
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In the modern periodic table when elements are arranged according to their atomic
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In the modern periodic table when elements are arranged according to their atomic number.
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Enter an abbreviated electron configuration for magnesium: Express your answer in complete form, in order of increasing energy.
stiks02 [169]

Answer:

1s2, 2s2,2p6,3s2

Explanation:

6 0
3 years ago
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