Calculate the Equilibrium Concentration of Zn²⁺(aq)in a Solution That Is $\leftrightarrows$

question 75

Multiple Choice

Calculate the equilibrium concentration of Zn²⁺(aq) in a solution that is initially 0.0125 M Zn(NO₃) ₂ and 0.600 M NH₃.
Zn²⁺(aq) + 4 NH₃(aq) $\leftrightarrows$ Zn(NH₃) ₄²⁺(aq) K_f = 2.9 $\times$ 10⁹

• A)7.8 \(\times\)10^-12 M
• B)4.7 \(\times\)10^-11 M
• C)1.5 \(\times\) 10^-8 M
• D)2.5 \(\times\) 10^-9 M
• E)2.9 \(\times\) 10⁹ M

Identify effective rituals and habits for promoting good sleep hygiene.

Recognize substances and activities to avoid for better sleep.

Understand strategies to regularize sleep-wake rhythms for improved sleep quality.

Understand the concept and importance of neural developments in newborns and infants.

---

Definitions:

Preterm Newborn

An infant delivered before completing the full term of gestation, typically facing greater health challenges due to early birth.

Sleep Position

Refers to the posture or arrangement of the body during sleep, which can affect sleep quality and health, such as back, side, or stomach sleeping positions.

Supine

A position where an individual lies flat on their back, often used in medical examinations or as a recovery posture.

Skin Integrity

The condition of unbroken and healthy skin, an important aspect of preventing infection and disease.