K2SO4 is a strong electrolyte. Determine the concentration of the ions in a 0.250 M K2SO4 solution. [K+]= __ M [SO4 2-]=_ M?

2016-10-24 8:14 am

回答 (1)

2016-10-24 8:28 am

✔ 最佳答案

1 mole of K₂SO₄ gives 2 moles of K⁺ ions and 1 mole of SO₄²⁻ ions.

[K⁺] = (0.250 M) × 2 = 0.500 M

[SO₄²⁻] = (0.250 M) × 1 = 0.250 M

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