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Reil [10]
3 years ago
15

Which of the following is not a property of a covalent bond?

Chemistry
1 answer:
nexus9112 [7]3 years ago
5 0

Answer:

Have high melting points and high boiling points.

Explanation:

  • Covalent bonds are types of chemical bonds that result from the sharing of electrons between non-metal atoms.
  • Covalent bonds result in the formation of covalent compounds.
  • Covalent compounds are characterized by low melting and boiling points.
  • Therefore, it won't be true to say they have high melting and boiling points.
  • Other properties of covalent bonds include poor conductors of electricity and heat, gases or liquids at room temperature, and are non-polar compounds among others.
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How many grams of cupric sulfate pentahydrate are needed to prepare 50.00 mL of 0.0800M CuSO4× 5H2O?
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Explanation:

Molarity is defined as number of moles per liter of solution.

Mathematically,         molarity = \frac{no. of moles}{Volume (in L) of solution}

It is given that molarity is 0.0800 M and volume is 50.00 mL or 0.05 L.

           molarity = \frac{no. of moles}{Volume of solution in liter}

            0.0800 M = \frac{no. of moles}{0.05 L}

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Therefore, molar mass of cupric sulfate pentahydrate is 249.68 g/mol. So, calculate the mass as follows.

                No. of moles = \frac{mass in grams}{molar mass}

             mass in grams = no. of moles \times molar mass of CuSO_{4}.5H_{2}O

                                       = 1.6 mol \times 249.68 g/mol

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