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NARA [144]
3 years ago
15

In an ionic bond, which category of elements are giving away electrons?

Chemistry
2 answers:
Arturiano [62]3 years ago
8 0

Answer:

Ionic bonds form only between metals and nonmetals. That's because metals “want” to give up electrons, and nonmetals “want” to gain electrons. It takes energy to remove valence electrons from an atom and form a positive ion. Energy is released when an atom gains valence electrons and forms a negative ion.

<h3>hope it is helpful u in understanding</h3><h3>plz mrk it as brainliest.</h3>

natima [27]3 years ago
6 0

Ionic bonds form only between metals and nonmetals. That's because metals “want” to give up electrons, and nonmetals “want” to gain electrons. It takes energy to remove valence electrons from an atom and form a positive ion

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Starting with 4.6 mL of acetic anhydride with a density of 1.082, how many grams of acetylsalicylic acid (theoretical yield) can
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Answer:

m = 8.7917 g

Explanation:

This reaction to form the Acetylsalicylic acid, is the following:

C4H6O3 + C7H6O3 --------> C9H8O4 + C2H4O2

Now, the problem already stated that the limiting reactant is the acetic anhydride (C4H6O3), and it's a 1:1 mole ratio, so this means that the moles of acetic anhydride reacting will be the moles of acetylsalicylic acid formed. We have the volume of the anhydride and density, let's calculate the mass, and then, the moles:

d = m/V ------> m = d * V

m = 1.082 * 4.6 = 4.9772 g

The molar mass of C4H6O3 reported is 102.09 g/mol so the moles are:

moles = 4.9772 / 102.09 = 0.0488 moles

As the mole ratio is 1:1 these moles are the same moles of the acid so:

moles Ac Acid = 0.0488 moles

The reported molar mass of the acid is 180.158 g/mol, then the mass:

m = 0.0488 * 180.158 = 8.7917 g

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