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15 October, 16:20

Determine the number of molecules contained in 1 mole of sodium sulfate.

A. 1.204 x 10^24 ions

B. 1.807 x 10^24 ions

C. 2.007 x 10^23 ions

D. 6.022 x 10^23 ions

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Answers (2)
  1. 15 October, 16:57
    0
    Option D. 6.022 x 10^23 ions

    Explanation:

    1 mole of a substance contains 6.02x10^23 atoms, molecules or ions from Avogadro's hypothesis.

    Therefore, 1 mole of sodium sulfate will also contain 6.02x10^23 atoms, molecules or ions
  2. 15 October, 19:36
    0
    Answer: 1.204 x 10^24 sodium ions

    Explanation: First look a the compound sodium sulfate: Na2SO4

    1 mol of compound contains 2 mol sodium ions

    Second remember 1 mole is always 1 mol=6.022 x 10^23 ions

    (2 mols) * (6.022 x 10^23 ions/mol)

    = 1.204 x 10^24 sodium ions
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