The K_sp of BaSO₄ Is 1

question 11

Multiple Choice

The K_sp of BaSO₄ is 1.1 × 10^-10 at 25 °C.What mass of BaSO₄ will dissolve in 1.0 L of water at 25 °C? (molar mass = 233.4 g/mol)

• A) 2.6 × 10−⁸ g
• B) 4.5 × 10−⁸ g
• C) 1.0 × 10−⁵ g
• D) 1.6 × 10−⁴ g
• E) 2.4 × 10−³ g

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Definitions:

Neurotransmitter

Biochemical substances that facilitate communication between neurons in the nervous system by transmitting signals across synapses.

Serotonin

A neurotransmitter that plays a key role in mood regulation, digestion, sleep, and other bodily functions.

Dopamine

Dopamine is a neurotransmitter that plays a pivotal role in the brain's reward system, influencing mood, motivation, and motor control.

GABA

Gamma-aminobutyric acid, a neurotransmitter in the brain that plays a key role in regulating nerve excitability and muscle tone.