A 40 $\times$ 10^-4 M Solution of MnSO₄ Is Gradually Made More Basic

question 10

Multiple Choice

A 4.0 $\times$ 10^-4 M solution of MnSO₄ is gradually made more basic by adding NaOH.At what pH will manganese(II) hydroxide begin to precipitate? The K_sp of Mn(OH) ₂ is 2.0 $\times$ 10^-13 and K_w = 1.01 $\times$ 10^-14.

• A) 4.70
• B) 9.57
• C) 4.65
• D) 9.35
• E) 9.30

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Definitions:

Substitution Effects

The change in the consumption pattern of goods due to a change in their prices, making consumers replace more expensive items with cheaper alternatives.

Downward-sloping

A descriptor often used for demand curves, indicating that as the price of a good or service decreases, the quantity demanded increases.

Law of Demand

The principle that there is an inverse relationship between the price of a good and the quantity demanded, holding other factors constant.

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a specific price level.