What Is the PH of a Buffer System Prepared by Dissolving

question 116

Multiple Choice

What is the pH of a buffer system prepared by dissolving 10.70 grams of NH₄Cl and 30.00 mL of 12 M NH₃ in enough water to make 1.000 L of solution? K_b = 1.80 × 10^-5 for NH₃.

• A)9.00
• B)9.26
• C)9.51
• D)11.32

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The oral cavity; can also refer to the opening to organs.

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A chemical substance, commonly found in beverages such as beer, wine, and spirits, that can alter consciousness and is known for its potential for abuse and dependency.

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A transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.

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