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An ion is reduced to the element when it...

An ion is reduced to the element when it absorbs `6xx10^(20)` electrons. The number of equivalents of the ion is:

A

`0.1`

B

`0.01`

C

`0.001`

D

`0.0001`

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The correct Answer is:
To find the number of equivalents of the ion that is reduced when it absorbs \(6 \times 10^{20}\) electrons, we can follow these steps: ### Step 1: Understand the concept of equivalents One equivalent of an ion is defined as the amount of the ion that can either donate or accept one mole of electrons. In terms of electrons, one equivalent corresponds to \(6.022 \times 10^{23}\) electrons (which is Avogadro's number). ### Step 2: Calculate the number of equivalents Given that the ion absorbs \(6 \times 10^{20}\) electrons, we can calculate the number of equivalents using the formula: \[ \text{Number of equivalents} = \frac{\text{Number of electrons absorbed}}{\text{Avogadro's number}} \] Substituting the values: \[ \text{Number of equivalents} = \frac{6 \times 10^{20}}{6.022 \times 10^{23}} \] ### Step 3: Perform the calculation Now we can simplify the calculation: \[ \text{Number of equivalents} = \frac{6}{6.022} \times \frac{10^{20}}{10^{23}} = \frac{6}{6.022} \times 10^{-3} \] Calculating \(\frac{6}{6.022}\): \[ \frac{6}{6.022} \approx 0.995 \] So, we have: \[ \text{Number of equivalents} \approx 0.995 \times 10^{-3} \approx 0.001 \] ### Step 4: Conclusion Thus, the number of equivalents of the ion is approximately \(0.001\). ### Final Answer The number of equivalents of the ion is \(0.001\) (or \(10^{-3}\)). ---

To find the number of equivalents of the ion that is reduced when it absorbs \(6 \times 10^{20}\) electrons, we can follow these steps: ### Step 1: Understand the concept of equivalents One equivalent of an ion is defined as the amount of the ion that can either donate or accept one mole of electrons. In terms of electrons, one equivalent corresponds to \(6.022 \times 10^{23}\) electrons (which is Avogadro's number). ### Step 2: Calculate the number of equivalents Given that the ion absorbs \(6 \times 10^{20}\) electrons, we can calculate the number of equivalents using the formula: ...
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