How many grams of dry NH4Cl need to be added to 1.70 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.75? K for ammonia is 1.8 x 10-5. Express your answer with the appropriate units. View Available Hint(s) mass of NH4Cl = 39.7 μA Submit Previous Answers ?
How many grams of dry NH4Cl need to be added to 1.70 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.75? K for ammonia is 1.8 x 10-5. Express your answer with the appropriate units. View Available Hint(s) mass of NH4Cl = 39.7 μA Submit Previous Answers ?
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How many grams of dry NH4Cl need to be added to 1.70 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.75? Kb
for ammonia is 1.8 x 10-5.
Express your answer with the appropriate units.
► View Available Hint(s)
mass of NH4Cl= 39.7
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Step 1: Determine the given data
VIEWStep 2: Calculate the number of moles of ammonia and pOH of the buffer solution
VIEWStep 3: Calculate the pKb of ammonia & the write the working formula
VIEWStep 4: Calculate the number of moles of ammonium chloride
VIEWStep 5: Calculate the mass of ammonium chloride
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