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Gekata [30.6K]
3 years ago
12

When one atom contributes both bonding electrons in a single covalent bond, the bond is called a(n) ____?

Chemistry
2 answers:
andre [41]3 years ago
7 0
Coordinate covalent bond 
Damm [24]3 years ago
7 0

Answer:

coordinate covalent bond

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irina1246 [14]

Answer:

\large \boxed{0.64 \, \%}

Explanation:

Assume you are using 1 L of water.

Then you are washing 4 L of salty oil.

1. Calculate the mass of the salty oil

Assume the oil has a density of 0.86 g/mL.

\text{Mass of oil} = \text{4000 mL} \times \dfrac{\text{0.86 g}}{\text{1 mL}} = \text{3440 g}

2. Calculate the mass of salt in the salty oil

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3. Calculate the mass of salt in the spent water

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4. Mass of salt remaining in washed oil

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5. Concentration of salt in washed oil

\text{Concentration} = \dfrac{\text{22 g}}{\text{3440 g}} \times 100 \, \% = \mathbf{0.64 \, \%}\\\\\text{The concentration of salt in the washed oil is $\large \boxed{\mathbf{0.64 \, \%}}$}

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