How many moles of Na⁺ are present in 343 mL of a 1.27 M solution of Na₂SO₄? A)0.436 B)0.871 C)1.31 D)3.70 E)11.1

Name: How many moles of Na + are present in 343 mL of a 1.27 M solution of Na 2 SO 4 ? A)0.436 B)0.871 C)1.31 D)3.70 E)11.1
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Quizplus · Accepted Answer

A 1.27 M solution of Na2SO4 means there are 1.27 moles of Na2SO4 per liter. Since each Na2SO4 produces 2 moles of Na+, the concentration of Na+ is 2 * 1.27 M = 2.54 M. For 343 mL (0.343 L), the moles of Na+ are 2.54 M * 0.343 L = 0.871 moles.

How Many Moles of Na+ Are Present in 343 ML

How Many Moles of Na⁺ Are Present in 343 ML