Which statements describe lattice energy?

1 answer:

5 0

Answer:

It is the energy the ions absorb when they form a crystalline compound.

Explanation:

Lattice energy is the energy released upon the formation of a crystal lattice structure.

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Explanation:

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A student dissolved 5.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took 4.00 mL of the stock solution

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Answer:

0.136g

Explanation:

A student dissolved 5.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took 4.00 mL of the stock solution and then diluted it with water to give 275. mL of a final solution. How many grams of NO3- ion are there in the final solution?

$Co(NO_3)_2(aq)\rightarrow Co^{2+}(aq)+2NO_3^{-}(aq)$