4 years ago

How does the structure of covalent bond affect the structure of covalent compounds

Chemistry

1 answer:

iren [92.7K]4 years ago

5 0

A covalent bond holds two atoms close together because electrons in their outermost orbitals are shared by both atoms.

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If 45 mL of water are added to 250 mL of a 0.75 M K2SO4 solution, what will the molarity of the diluted solution be?

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$\large\boxed{\large\boxed{0.64M}}$

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When you form a <em>diluted solution</em> from a mother (concentrated) solution, the moles of solute are determined by the mother solution.

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$Molarity=\dfrac{\text{moles of solute}}{\text{volume of the solution in liters}}$

Then, since the moles of solute is the same for both the mother solution and the diluted solution:

$\text{Molarity mother solution }\times\text{ volume mother solution}=\\\\=\text{Molarity diluted solution }\times\text{ volume diluted solution}$

Substitute and solve for the molarity of the diluted solution:

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