Each row of the table below describes an aqueous solution at 25 °C. The second column of the table shows the initial components of the solution. • Use the checkboxes in the third column to explain the type of the initial solution. The fourth column describes a change in the solution. • Use the fifth column to predict how the change in the solution will change its pH. solution initial components initial type (check all that apply) change effect of change on pH (check one) acidic O pH higher A H₂O basic add KNO3 pH lower neutral pH the same acidic B H₂O, NaOH basic add HCIO4 neutral acidic C H₂O basic add KOH neutral acidic D H₂O, NaOH basic add NaClO4 neutral O pH higher pH lower pH the same pH higher pH lower pH the same pH higher pH lower pH the same

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**Understanding pH Changes in Aqueous Solutions at 25°C**

Each row of the table below describes an aqueous solution at 25°C. 

The second column of the table shows the initial components of the solution. 
- Use the checkboxes in the third column to explain the type of the initial solution.

The fourth column describes a change in the solution.
- Use the fifth column to predict how the change in the solution will change its pH.

| solution | initial components | initial type (check all that apply) | change | effect of change on pH (check one) |
|----------|---------------------|-----------------------------------|---------|------------------------------------|
| A        | H₂O                 | □ acidic<br>□ basic<br>☑ neutral | add KNO₃ | ○ pH higher<br>○ pH lower<br>○ pH the same |
| B        | H₂O, NaOH           | □ acidic<br>☑ basic<br>□ neutral | add HClO₄ | ○ pH higher<br>☑ pH lower<br>○ pH the same |
| C        | H₂O                 | □ acidic<br>☑ basic<br>□ neutral | add KOH | ○ pH higher<br>○ pH lower<br>☑ pH the same |
| D        | H₂O, NaOH           | □ acidic<br>☑ basic<br>□ neutral | add NaClO₄ | ○ pH higher<br>○ pH lower<br>☑ pH the same |
Transcribed Image Text:**Understanding pH Changes in Aqueous Solutions at 25°C** Each row of the table below describes an aqueous solution at 25°C. The second column of the table shows the initial components of the solution. - Use the checkboxes in the third column to explain the type of the initial solution. The fourth column describes a change in the solution. - Use the fifth column to predict how the change in the solution will change its pH. | solution | initial components | initial type (check all that apply) | change | effect of change on pH (check one) | |----------|---------------------|-----------------------------------|---------|------------------------------------| | A | H₂O | □ acidic<br>□ basic<br>☑ neutral | add KNO₃ | ○ pH higher<br>○ pH lower<br>○ pH the same | | B | H₂O, NaOH | □ acidic<br>☑ basic<br>□ neutral | add HClO₄ | ○ pH higher<br>☑ pH lower<br>○ pH the same | | C | H₂O | □ acidic<br>☑ basic<br>□ neutral | add KOH | ○ pH higher<br>○ pH lower<br>☑ pH the same | | D | H₂O, NaOH | □ acidic<br>☑ basic<br>□ neutral | add NaClO₄ | ○ pH higher<br>○ pH lower<br>☑ pH the same |
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