Problem: Methyl orange (HMO) is an acid-base indicator. Its two forms in solution are HMO (red) and MO- (yellow). When HMO is added to distilled water, the solution is yellow. How would you turn the solution red?a. add acidb. add basec. add distilled water

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We are being asked to determine how to turn the HMO solution from yellow to red


Methyl orange is an indicator that is color yellow in alkaline and neutral pH and is red in acidic pH.


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Problem Details

Methyl orange (HMO) is an acid-base indicator. Its two forms in solution are HMO (red) and MO- (yellow). When HMO is added to distilled water, the solution is yellow. How would you turn the solution red?

a. add acid

b. add base

c. add distilled water

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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.