## Educational Chemistry Worksheet ### Exercise Instructions 1. **Conjugate Acid-Base Pairs** - Give the formula of the conjugate acid or base for each of the following: **Table:** - Acid: HSO₄⁻ | Conjugate Base: _______ - Base: PO₄³⁻ | Conjugate Acid: _______ - Acid: H₂O | Conjugate Base: _______ - Base: H₂O | Conjugate Acid: _______ 2. **pH and pOH Calculations** - Calculate the pH and pOH for the solution with [H⁺] = 4.29 x 10⁻⁵ M. Is the solution acidic or basic? - Calculate the [OH⁻], pH, and pOH for the solution with [Ca(OH)₂] = 4.29 x 10⁻⁵ M. ### Diagram Explanation **The Periodic Table:** - Portions of the periodic table are shown, including elements with their atomic numbers and atomic masses. The elements displayed are: - Group 1: H, Li, Na - Group 2: Be, Mg - Nonmetals and metalloids: B, C, N, O, F, Ne - Additional elements: P, S, Cl, Ar The periodic table provides a visual organization of elements according to their properties. This section specifically highlights parts of Groups 1, 2, and 13 to 18, which include a mix of metals, metalloids, and nonmetals. ### Quick Notes - **Acidic solutions** have a pH less than 7, whereas **basic solutions** have a pH greater than 7. - **Conjugate base:** Formed when an acid donates a proton. - **Conjugate acid:** Formed when a base accepts a proton.

Chemistry
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Chapter1: Chemical Foundations
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## Educational Chemistry Worksheet

### Exercise Instructions

1. **Conjugate Acid-Base Pairs**
   - Give the formula of the conjugate acid or base for each of the following:

   **Table:**
   - Acid: HSO₄⁻ | Conjugate Base: _______
   - Base: PO₄³⁻ | Conjugate Acid: _______
   - Acid: H₂O | Conjugate Base: _______
   - Base: H₂O | Conjugate Acid: _______

2. **pH and pOH Calculations**
   - Calculate the pH and pOH for the solution with [H⁺] = 4.29 x 10⁻⁵ M. Is the solution acidic or basic?
   - Calculate the [OH⁻], pH, and pOH for the solution with [Ca(OH)₂] = 4.29 x 10⁻⁵ M.

### Diagram Explanation

**The Periodic Table:**

- Portions of the periodic table are shown, including elements with their atomic numbers and atomic masses. The elements displayed are:
  - Group 1: H, Li, Na
  - Group 2: Be, Mg
  - Nonmetals and metalloids: B, C, N, O, F, Ne
  - Additional elements: P, S, Cl, Ar

The periodic table provides a visual organization of elements according to their properties. This section specifically highlights parts of Groups 1, 2, and 13 to 18, which include a mix of metals, metalloids, and nonmetals.

### Quick Notes

- **Acidic solutions** have a pH less than 7, whereas **basic solutions** have a pH greater than 7.
- **Conjugate base:** Formed when an acid donates a proton.
- **Conjugate acid:** Formed when a base accepts a proton.
Transcribed Image Text:## Educational Chemistry Worksheet ### Exercise Instructions 1. **Conjugate Acid-Base Pairs** - Give the formula of the conjugate acid or base for each of the following: **Table:** - Acid: HSO₄⁻ | Conjugate Base: _______ - Base: PO₄³⁻ | Conjugate Acid: _______ - Acid: H₂O | Conjugate Base: _______ - Base: H₂O | Conjugate Acid: _______ 2. **pH and pOH Calculations** - Calculate the pH and pOH for the solution with [H⁺] = 4.29 x 10⁻⁵ M. Is the solution acidic or basic? - Calculate the [OH⁻], pH, and pOH for the solution with [Ca(OH)₂] = 4.29 x 10⁻⁵ M. ### Diagram Explanation **The Periodic Table:** - Portions of the periodic table are shown, including elements with their atomic numbers and atomic masses. The elements displayed are: - Group 1: H, Li, Na - Group 2: Be, Mg - Nonmetals and metalloids: B, C, N, O, F, Ne - Additional elements: P, S, Cl, Ar The periodic table provides a visual organization of elements according to their properties. This section specifically highlights parts of Groups 1, 2, and 13 to 18, which include a mix of metals, metalloids, and nonmetals. ### Quick Notes - **Acidic solutions** have a pH less than 7, whereas **basic solutions** have a pH greater than 7. - **Conjugate base:** Formed when an acid donates a proton. - **Conjugate acid:** Formed when a base accepts a proton.
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