How many grams of dry NH4Cl need to be added to 1.70 L of a 0.100 M solution of ammonia, NH3, to prepare a buffer solu...
How many grams of dry NH4Cl need to be added to 1.70 L of a 0.100 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.62? Kb for ammonia is 1.8×10−5.
Homework Answers
Henderson-Hasselbalch equation explains the pH of a buffer solution. A weak base and its salt make a buffer solution. pOH of a buffer solution having a weak base and its salt is given by the following Henderson-Hasselbalch equation.
![pOH pK, + log salt]
[base]](http://img.homeworklib.com/questions/6bb323b0-0d24-11ea-9098-55b5e99806b2.png?x-oss-process=image/resize,w_560)
At room temperature, 
.Both 
and 
explains strength of a base.
Product of molarity and volume of a solution in liters given the moles of the solution present in the solution.
Multiply moles of a compound with its molar mass to get mass of the compound.
Calculate the concentration of 
to have buffer solution of pOH 5.38 or pH 8.62.
![pOH pK, lo[NH,CI]
[NH,
5.38 4.74 log[NH,CI]
0.1 M
[NH,CI] (5.38-4.74)
log
0.1 M
NH,CI=(105-174)(0.1 M)
-0.437 M](http://img.homeworklib.com/questions/6de95a20-0d24-11ea-9662-89fab8a04cbf.png?x-oss-process=image/resize,w_560)
Mass of solid need to be added to 1.70 L of 
solution of ammonia are 39.7 grams.
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How many grams of dry NH4Cl need to be added to 1.70 L of a 0.100 M solution of ammonia, NH3, to prepare a buffer solu...
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How many grams of dry NH4Cl need to be added to 1.70 L of a 0.500...
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How many grams of dry NH4Cl need to be added to 2.50 L of a 0.500 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.74? Kb for ammonia is 1.8*10^-5.
How many grams of dry NH4Cl need to be added to 1.50 L of a 0.500 M solution of ammonia, NH3,to prepare a buffer solutio...
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How many grams of dry NH4Cl need to be added to 2.40 L of a 0.400 M solution of ammonia, NH3, to prepare a buffer s...
How many grams of dry NH4Cl need to be added to 2.40 L of a 0.400 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.78? Kb for ammonia is 1.8 x 10^-5.
4B. How many grams of dry NH4Cl need to be added to 1.80 L of a...
4B. How many grams of dry NH4Cl need to be added to 1.80 L of a 0.100 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.93? Kb for ammonia is 1.8×10^−5. Express your answer with the appropriate units.
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.86? Kb for ammonia is 1.8×10−5.
How many grams of dry NH4ClNH4Cl need to be added to 2.50 LL of a 0.800 MM solution of ammonia, NH3NH3, to prepare a buffer solution that has a pHpH of 8.86? KbKbK_b for ammonia is 1.8×10−51.8×10−5.
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.700...
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.700 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.62? Kbfor ammonia is 1.8×10−5. Express your answer with the appropriate units.
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