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LuckyWell [14K]
3 years ago
12

Argon, Ar, is a noble gas. How many miles of argon are in 200 gram sample of argon.? (Answer rounded to the ones place)

Chemistry
1 answer:
tatuchka [14]3 years ago
3 0

The answer is 39.948 g/mol so rounded to the nearest ones would be 40.00 g/mol.

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The ________ orbital is degenerate with 5py in a many-electron atom.
arsen [322]

The ________ orbital is degenerate with 5py in a many-electron atom.


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3 years ago
How many grams of KCl is needed to make .75 L of a 1 M solution of KCl?
Zielflug [23.3K]

Answer:

The answer to your question is 25.9 g of KCl

Explanation:

Data

Grams of KCl = ?

Volume = 0.75 l

Molarity = 1 M

Formula

Molarity = \frac{number of moles}{volume}

Solve for number of moles

Number of moles = Molarity x volume

Substitution

Number of moles = 1 x 0.75

Simplification

Number of moles = 0.75 moles

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Use proportions to find the grams of KCl

                          34.5 g of KCl ----------------  1 mol

                             x                  ----------------  0.75 moles

                            x = (0.75 x 34.5) / 1

                            x = 25.9 g of KCl

3 0
3 years ago
What powers explosions and fire
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