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Serggg [28]
3 years ago
12

Which is more reactive copper or calcium? Why?

Chemistry
2 answers:
Strike441 [17]3 years ago
8 0
Calcium
this is because calcium will lose will lose more electrons and is a group 2 metal, copper is a transition metal which is a lower position and more stable than calcium.
qwelly [4]3 years ago
8 0

Answer:

Calicum

Explanation:

This is true because calcium loses more electrons and is a group 2 metal

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Based on the charge on the aluminium ion, 0.9 g of aluminium are deposited by 0.1 F of electricity.

<h3>What is electrolysis?</h3>

Electrolysis is the decomposition of a substance known as an electrolyte when electric current is passed through it.

The mass and hence moles an electrolyte deposited when current is passed through it depends on the charge on the ion.

Aluminium ion has a charge of +3 and requires 3F of electricity to deposit 1 mole or 27 g of aluminium

0.1 F will discharge = 0.1/3 × 27 g of aluminium

mass of aluminium deposited = 0.9 g of aluminium.

Therefore, 0.9 g of aluminium are deposited by 0.1 F of electricity.

Learn more about electrolysis at: brainly.com/question/26050361

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2 years ago
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3 years ago
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Explanation:

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