We have to determine which of the given solutions has a higher pH by looking at the given figure.
pH indicators are substances which exhibit a color change with the change in pH.
Methyl orange is an indicator which shows a change in color from red to yellow withing the pH range of 3.2 to 4.4.
This can be better explained in this table:
The beaker on the right contains 0.1 M acetic acid solution with methyl orange as an indicator. The beaker on the left contains a mixture of 0.1 M acetic acid and 0.1 M sodium acetate with methyl orange.
Using the given figure, which solution has a higher pH?
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Acid Base Indicators concept. If you need more Acid Base Indicators practice, you can also practice Acid Base Indicators practice problems.
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Based on our data, we think this problem is relevant for Professor Enderle's class at UCD.