What Will Happen If 50

question 8

Multiple Choice

What will happen if 50.0 mL of 0.032 M Na₂S₂O₃,50.0 mL of 0.010 M AgNO₃,and 50.0 mL of 0.047 M KCl are mixed together? For AgCl,K_sp = 1.8 × 10^-10; for Ag(S₂O₃) ₂^3-,K_f = 2.9 × 10¹³.

• A)A precipitate of Ag₂S₂O₃ will form.
• B)A precipitate of KNO₃ will form.
• C)No precipitate will form because silver(I)ion exists predominantly as Ag⁺.
• D)No precipitate will form because silver(I)ion exists predominantly in the complex Ag(S₂O₃)₂^3-.
• E)A precipitate of AgCl will form.

---

Definitions:

Tidal Volume (TV)

The volume of air moved into or out of the lungs during a normal breath, at rest.

Residual Volume (RV)

The volume of air remaining in the lungs after a maximal exhalation, preventing lung collapse and ensuring continuous gas exchange.

Inspiratory Reserve Volume (IRV)

The extra volume of air that can be breathed in beyond a standard breath.

Expiratory Reserve Volume (ERV)

The additional air that can be forcibly exhaled after the completion of a normal, passive exhalation.