If 100ML of 0

question 109

Multiple Choice

If 100.mL of 0.400 mol L^-1 Na₂SO₄(aq) is added to 200 mL of 0.600 mol L^-1 NaCl(aq) ,what is the concentration of Na⁺ ions in the final solution? Assume that the volumes are additive.

• A)0.534 mol L^-1
• B)0.667 mol L^-1
• C)1.00 mol L^-1
• D)1.40 mol L^-1

---

Definitions:

George Miller

A psychologist renowned for his work on cognitive psychology and for proposing the theory that the average number of objects an individual can hold in working memory is seven plus or minus two.

Elaborative Rehearsal

A memory technique that involves thinking about the meaning of the term to be remembered, as opposed to simply repeating the word to yourself over and over.

Long-term Storage

The part of memory where information is stored for extended periods of time, potentially for a lifetime.

Recency Effect

The psychological phenomenon where the most recently presented items or experiences are most likely to be remembered.