Determine the Ammonia Concentration of an Aqueous Solution That Has

question 137

Multiple Choice

Determine the ammonia concentration of an aqueous solution that has a pH of 11.00.The equation for the dissociation of NH₃ (K_b = 1.8 × 10^-5) is below: $$\mathrm { NH } _ { 3 } ( a q ) + \mathrm { H } _ { 2 } \mathrm { O } ( l ) \rightleftharpoons \mathrm { NH } _ { 4 } ^+ ( a q ) + \mathrm { OH } ^- ( a q )$$

• A)3.0 mol L^-1
• B)0.056 mol L^-1
• C)1.8 × 10^-2 mol L^-1
• D)1.0 × 10^-3 mol L^-1

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