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Dominik [7]
3 years ago
13

What is the electron configuration of an element with an atomic number of 9?

Chemistry
1 answer:
Bezzdna [24]3 years ago
8 0
1s^2 2s^2 2p^5

First shell is s with capacity 2, second is p with capacity 6
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Answer:

Explanation:

L

=

1.10

L

of solution

Explanation:

The Molarity

M

is calculated by the equation comparing moles of solute to liters of solution

M

=

m

o

l

L

For this question we are given the Molarity 0.88M

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Li = 6.94

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LiF = 25.94 g/mole

25.2

g

r

a

m

s

x

1

m

o

l

25.94

g

r

a

m

s

=

0.97

moles

Now we can take the the molarity and the moles and calculate the Liters of solution

M

=

m

o

l

L

M

L

=

m

o

l

L

=

m

o

l

M

L

=

0.97

m

o

l

0.88

M

L

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1.10

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