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NH4Cl that must be added to 2.00 liters of 0.200 M aqueous ammonia

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How much NH4Cl must be added to 2.00 liters of 0.200 M aqueous ammonia to give a solution with pH= 8.20? Assume no volume change due to the addition of NH4Cl.

a) 246 g
b) 166 g
c) 2.25 g
d) 123 g
e) 14.6 g

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Solution Summary

It finds the amount of NH4Cl that must be added to 2.00 liters of 0.200 M aqueous ammonia to reach the given pH.

Solution Preview

We will use the famous Henderson-Hasselbalsch equation to solve this problem. Remember, we can always use this equation when we have a simple proton donor/proton acceptor system. In this case, the proton ...

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