Problem: A change in pH of 1.0 unit indicates that: 1. the volume of H+ in a solution changes by an order of magnitude.2. the acid or base content decreases or increases by 0.1 M.3. the molarity of H+ changes by one order of magnitude.4. the acid or base content decreases or increases by 1.0 M.5. the salt content decreases or increases by 1.0 M.

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We’re being asked what is indicated by a change in pH by 1 unit.  Recall that pH is given by:



A change in pH of 1.0 unit indicates that: 

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Problem Details

A change in pH of 1.0 unit indicates that: 

1. the volume of H+ in a solution changes by an order of magnitude.

2. the acid or base content decreases or increases by 0.1 M.

3. the molarity of H+ changes by one order of magnitude.

4. the acid or base content decreases or increases by 1.0 M.

5. the salt content decreases or increases by 1.0 M.

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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 pH and pOH concept. You can view video lessons to learn pH and pOH. Or if you need more pH and pOH practice, you can also practice pH and pOH practice problems.

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Based on our data, we think this problem is relevant for Professor Goodey's class at TAMU.