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2 years ago

Draw an electron

Chemistry

1 answer:

butalik [34]2 years ago

3 0

Answer:

. .

: Ne :

. .

Explanation:

Let's take Neon as our example. In the Lewis dot structure, each dot corresponds to an electron in the valence shell of the atom. All atoms like to have a full valence shell. By the octet rule, this means that they need 8 electrons total to be electronically satisfied. Noble gases all have a full valence shell in their natural state. This is why they are inert, as they do not need extra electrons to be electronically satisfied.

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If 125 grams of Cu reacts 75 grams of HNO3, how many grams of Cu(NO3) form?

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Answer: 37.5grams of Cu(NO3)2

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HNO3 is the limiting substance, therefore, 75 grams is the limiting quantity.

Therefore, 2mol of HNO3 forms 1mol of Cu(NO3)2

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