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aliina [53]
3 years ago
15

How many valance are transferred from the nitrogen atom to potassium in the formation of the compound potassium nitride?

Chemistry
2 answers:
never [62]3 years ago
5 0
3 valence electrons are transferred in the formation of the compound potassium nitride because nitrogen needs 3 valence electron to become stable, or to have the electron configuration of noble Gases. 
yulyashka [42]3 years ago
3 0
Nitrogen requires 3 electrons to have a total of 8 valence electrons.Each potassium atom will transfer one electron.A total of 3 potassium atoms and one nitrogen atom will be involved  in the  formation of a formula unit of potassium nitride.
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Answer: 15.0 g of CCl_4 will be formed upon the complete reaction of 27.7 grams of chlorine gas with excess carbon disulfide

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To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

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Cl_2 is the limiting reagent as it limits the formation of product and CS_2 is the excess reagent.

According to stoichiometry :

4 moles of Cl_2 give=  1 mole of CCl_4

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Mass of CCl_4=moles\times {\text {Molar mass}}=0.0975\times 154=15.0g

Thus 15.0 g of CCl_4 will be formed upon the complete reaction of 27.7 grams of chlorine gas with excess carbon disulfide

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