Explanation:
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Explanation:
Hi for this one u just need to remember and use the equation.

then u find mr of potassium which is 39.1.
then u do

you get the answer as 0.5115 write ur answer to 3 significant figures which will be 0.512 moles .
hope this helps :)
Hey not really an answer but just needed someone to talk to you
Explanation:
A coordinate covalent bond is a special type of covalent bond. In normal covalent bond, atoms combines and shares their electrons to form bonds.
- In coordinate covalent bonds, two atoms are bonded in such a way that one member of the pair is supplying both electrons that are shared.
- An atom supplies the lone pair of electrons to the other atom leaving net positive charge on the donor atom and negative charge on the acceptor.
Just like all interatomic bond types, coordinate covalent bond forms in order for atoms to attain stability through filling their outer energy levels like the noble gases. This is why atoms can share electrons, gain or lose electrons to reach this state.
Learn more:
Covalent bonds brainly.com/question/5258547
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