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  4. How to prepare a dry pure sample of potassium sulfate crystals and the indicator
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How to prepare a dry pure sample of potassium sulfate crystals and the indicator

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Offline hxha5 (OP)

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How to prepare a dry pure sample of potassium sulfate crystals and the indicator
« on: 05/05/2020 08:44:27 »
someone solve this for me, I'm stuck on it while practicing:

Dilute sulfuric acid and aqueous potassium hydroxide can be used to make potassium sulfate
crystals using a method that includes titration.
A student titrated 25.0 cm3 of 0.0500 mol / dm3 aqueous potassium hydroxide with dilute
sulfuric acid in the presence of an indicator. The volume of dilute sulfuric acid needed to neutralize the aqueous potassium hydroxide was 20.0 cm3.

Describe how to prepare a pure, dry sample of potassium sulfate crystals from new solutions
of dilute sulfuric acid and aqueous potassium hydroxide of the same concentrations as used in
the titration

give 5 points



AND

Name an indicator that can be used for the above titration. Also include the color change of the indicator at the end point of the titration.
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