etermine the [H*], pH, and pOH of a solution with an [OH-] of 7.8 x 10-6 M at 25 °C. H+] = H =

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Chapter1: Chemical Foundations
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### Problem Statement

Determine the \([H^+]\), pH, and pOH of a solution with an \([OH^-]\) of \(7.8 \times 10^{-6}\) M at 25 °C.

#### Calculations

1. **[H⁺] Calculation**:  
   Use the formula: \([H^+] \times [OH^-] = 1.0 \times 10^{-14}\).

2. **pH Calculation**:  
   Use the formula: \(\text{pH} = -\log[H^+]\).

3. **pOH Calculation**:  
   Use the formula: \(\text{pOH} = -\log[OH^-]\).

4. **Relationship between pH and pOH**:  
   \(\text{pH} + \text{pOH} = 14\).

#### Input Fields

- \([H^+]\) = \([\_\_\_\_\_\_\_\_\_\_\_\_]\)
- pH = \([\_\_\_\_\_\_\_\_\_\_\_\_]\)
- pOH = \([\_\_\_\_\_\_\_\_\_\_\_\_]\)
Transcribed Image Text:### Problem Statement Determine the \([H^+]\), pH, and pOH of a solution with an \([OH^-]\) of \(7.8 \times 10^{-6}\) M at 25 °C. #### Calculations 1. **[H⁺] Calculation**: Use the formula: \([H^+] \times [OH^-] = 1.0 \times 10^{-14}\). 2. **pH Calculation**: Use the formula: \(\text{pH} = -\log[H^+]\). 3. **pOH Calculation**: Use the formula: \(\text{pOH} = -\log[OH^-]\). 4. **Relationship between pH and pOH**: \(\text{pH} + \text{pOH} = 14\). #### Input Fields - \([H^+]\) = \([\_\_\_\_\_\_\_\_\_\_\_\_]\) - pH = \([\_\_\_\_\_\_\_\_\_\_\_\_]\) - pOH = \([\_\_\_\_\_\_\_\_\_\_\_\_]\)
**Problem Statement**

Determine the \([OH^-]\), pH, and pOH of a solution with a \([H^+]\) of 0.00035 M at 25 °C.

**Analysis Fields**

1. **\[OH^-\] =** [Enter calculated value here]
2. **pH =** [Enter calculated value here]
3. **pOH =** [Enter calculated value here]

**Instructions:**

1. Use the relationship \( [OH^-] \times [H^+] = 1 \times 10^{-14} \) to calculate \([OH^-]\).
2. Calculate pH using the formula: \( \text{pH} = -\log[H^+] \).
3. Use the relation \( \text{pH} + \text{pOH} = 14 \) to find pOH, after determining pH.
Transcribed Image Text:**Problem Statement** Determine the \([OH^-]\), pH, and pOH of a solution with a \([H^+]\) of 0.00035 M at 25 °C. **Analysis Fields** 1. **\[OH^-\] =** [Enter calculated value here] 2. **pH =** [Enter calculated value here] 3. **pOH =** [Enter calculated value here] **Instructions:** 1. Use the relationship \( [OH^-] \times [H^+] = 1 \times 10^{-14} \) to calculate \([OH^-]\). 2. Calculate pH using the formula: \( \text{pH} = -\log[H^+] \). 3. Use the relation \( \text{pH} + \text{pOH} = 14 \) to find pOH, after determining pH.
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