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oksano4ka [1.4K]
2 years ago
11

PF Lewis Dot Structure Not PF3 not PF4- if you dont know dont answer

Chemistry
2 answers:
Stolb23 [73]2 years ago
6 0
<h2>ANSWER:</h2><h3>LEWIS STRUCTURE:</h3>

Lewis structures, also called electron-dot structures are diagrams that show the bonding between atoms of a molecule, and the lone pairs of electrons that may exist in the molecule. A Lewis structure can be drawn for any covalently-bonded molecule, as well as coordination compounds.

<h2>_____________________________________</h2><h3>LEWIS STRUCTURE FOR PF :</h3>

Paha777 [63]2 years ago
3 0

Answer:

I think it's pf5or I don't know how to make the answer

Explanation:

,

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3 years ago
Type the correct answer in the box. sodium carbonate (na2co3) is sometimes used as a water-softening agent. suppose that a worke
Natali [406]

The mass of dissolved sodium carbonate is 109 g of Na₂CO₃.

<h3>What is a solution ?</h3>

A solution consists of two elements , a solute and a solvent .

A solute is dissolved into solvent to make a solution.

The concentration of a solution is measure by Molarity , Molality , mass% etc.

It is given in the question that

sodium carbonate ( Na₂CO₃) is sometimes used as a water-softening agent

a worker prepares a 0.724 m solution of  Na₂CO₃ and water.

the volume of the solution is 1.421 liters.

Mass of dissolved sodium carbonate is grams =?

Concentration = 0.724 M

Volume = 1.421 liters

Molecular mass of  Na₂CO₃  = 106 g

The mass of the solute needs to be determined

Molarity = moles / volume\

moles = Molarity x volume

Substituting the values

moles = 0.724 x 1.421

moles = 1.029

1 mol of Na₂CO₃ means  106 gm of  Na₂CO₃

Then 1.029 moles will mean 1.029 * 106

109.07 gm

Therefore , the mass of dissolved sodium carbonate is 109 grams.

To know more about Solution

brainly.com/question/1616939

#SPJ1

         

7 0
2 years ago
PLEASE HELP FILL OUT THIS CHART! ASAP THANK YOU
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Ocean tides on earth MOST influenced by gravity from the __
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Answer:

moon

Explanation:

the moon's gravitational pull generates tidal force which affects earth's tides

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What is nuclear energy ​
blsea [12.9K]

Answer:

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Explanation:

Ninety-five nuclear reactors in 29 states generate nearly 20 percent of the nation's electricity, all without carbon emissions because reactors use uranium, not fossil fuels.

// have a great day //

5 0
3 years ago
Read 2 more answers
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