Determine the number of atoms of copper produced when copper nitrate solution is electrolysed for 20 minutes at a current of 0.6 A Give your answer to 3 significant figures. Use Figure 2. Relative atomic mass (Ar): Cu = 63.5 The Avogadro constant = 6.02 × 1023 per mole- 6125

Q1.

Determine the number of atoms of copper produced when copper nitrate

solution is electrolysed for 20 minutes at a current of 0.6 A

Give your answer to 3 significant figures.

Use Figure 2.

Relative atomic mass (Ar): Cu = 63.5

The Avogadro constant = 6.02 × 1023 per mole

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Number of atoms (3 significant figures) = _______________

(3)

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One thought on “Determine the number of atoms of copper produced when copper nitrate solution is electrolysed for 20 minutes at a current of 0.6 A Give your answer to 3 significant figures. Use Figure 2. Relative atomic mass (Ar): Cu = 63.5 The Avogadro constant = 6.02 × 1023 per mole- 6125

  1. Number of moles =0.24/63.5
    =0.00378mol
    Number of atoms =0.00378×6.02×10^23
    =2.28×10^21 atoms

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