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ElectrochemistryMCQ

Water can be decomposed by the passage of an electric current according to the equation 2H2O(l) → 2HElectrochemistry Chemistry Question

Question

Water can be decomposed by the passage of an electric current according to the equation
2H2O(l) → 2H2(g) + O2(g)
How many moles of H2(g) can be produced from the passage of 4.8 × 10^21 electrons?

A.

2.00×10^-3

B.

4.0×10^-3

✓ Correct
C.

8.0×10^-3

D.

1.6×10^-2

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