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Topic: Calculate how to make 20 ml of a solution of NH₄Cl with pH = 5.0  (Read 934 times)

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Offline Roni

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Calculate how to make 20 ml of a solution of NH₄Cl with pH = 5.0
« on: January 04, 2022, 06:39:19 PM »
Hello guys! I am having a bit of trouble with the question my chemistry teacher has given me.

The question sounds as follows:
Calculate how to make 20 ml of a solution of NH₄Cl with pH = 5.0

Thank you before hand.
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Offline sjb

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Re: Calculate how to make 20 ml of a solution of NH₄Cl with pH = 5.0
« Reply #1 on: January 05, 2022, 02:03:32 AM »
Where have you got stuck? Any equations that you may know to help?
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Offline Orcio_87

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Re: Calculate how to make 20 ml of a solution of NH₄Cl with pH = 5.0
« Reply #2 on: January 05, 2022, 10:29:49 AM »
Quote
Calculate how to make 20 ml of a solution of NH₄Cl with pH = 5.0
1. Write the equation of reaction of NH4Cl (or simply - NH4+) with the water.
2. Calculate the reaction constant.
3. Calculate concentration of NH4Cl at pH = 5,0.
4. Calculate the mass of NH4Cl for 20 ml solution.
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