Solution: Calculate each of the following quantities:Molarity of sodium ion in a solution made by mixing 3.58 mL of 0.348 M sodium chloride with 500. mL of 6.81×10−2 M sodium sulfate (assume volumes are additive)

Problem

Calculate each of the following quantities:

Molarity of sodium ion in a solution made by mixing 3.58 mL of 0.348 M sodium chloride with 500. mL of 6.81×10−2 M sodium sulfate (assume volumes are additive)

Solution
  • We need to find the moles of sodium in NaCl (sodium sulfate) and Na2SO4 (sodium sulfate) solution and added them to get the total moles of Na+
  • This will be divided to the total V of the solution to get the molarity of Na ions
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