An ion is an atom with a net electrical charge due to ______.
2 answers:
Explanation:
Loss of one or more electrons by a neutral atom will help the neutral atom to acquire a positive charge.
For example, atomic number of sodium is 11 and to stabilize itself it needs to lose one electron. So, by losing an electron it will change into ion.
On the other hand, gain of one or more electrons by a neutral atom will help the neutral atom to acquire a negative charge.
For example, Cl has atomic number 17 and to fill its octet completely it need one more electron. So, by gaining an electron is will change into ion.
Therefore, we can conclude that an ion is an atom with a net electrical charge due to loss or gain of electrons.
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Answer: The theoretical yield of aspirin is 4.14 g
Explanation:
To calculate the moles :
mass of acetic anhydride =
According to stoichiometry :
1 mole of salycylic acid require 1 mole of acetic anhydride
Thus 0.023 moles of salycylic acid require= of acetic anhydride
Thus salycylic acid is the limiting reagent as it limits the formation of product and acetic anhydride is the excess reagent.
As 1 mole of salycylic give = 1 mole of aspirin
Thus 0.023 moles of salycylic acid give = of aspirin
Mass of aspirin =
Thus theoretical yield of aspirin is 4.14 g