What is the mass of the solute in 250mL of 0.201M lead (II) sulfate? O 377g O 10.4g O 50.3g O 15.2g O 61.0g

Chemistry
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Chapter1: Chemical Foundations
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**Question:**

What is the mass of the solute in 250 mL of 0.201 M lead (II) sulfate?

**Options:**

- 377 g
- 10.4 g
- 50.3 g
- 15.2 g
- 61.0 g

**Explanation:**

To find the mass of the solute, you need to use the formula:

\[ 
\text{Mass of solute} = \text{Molarity (M)} \times \text{Volume (L)} \times \text{Molar Mass (g/mol)} 
\]

1. **Convert volume to liters:**
   - 250 mL = 0.250 L

2. **Molarity (M) is given:**
   - 0.201 M

3. **Find the molar mass of lead (II) sulfate (PbSO\(_4\)):**
   - Lead (Pb) = 207.2 g/mol
   - Sulfur (S) = 32.07 g/mol
   - Oxygen (O) = 16.00 g/mol (4 oxygen atoms contribute 64.00 g/mol)
   - Total molar mass = 207.2 + 32.07 + 64.00 = 303.27 g/mol

4. **Calculate mass of solute:**
   - \[ 0.201 \, \text{mol/L} \times 0.250 \, \text{L} \times 303.27 \, \text{g/mol} \]

5. **Result:**
   - The mass of the solute can be calculated accordingly.
Transcribed Image Text:**Question:** What is the mass of the solute in 250 mL of 0.201 M lead (II) sulfate? **Options:** - 377 g - 10.4 g - 50.3 g - 15.2 g - 61.0 g **Explanation:** To find the mass of the solute, you need to use the formula: \[ \text{Mass of solute} = \text{Molarity (M)} \times \text{Volume (L)} \times \text{Molar Mass (g/mol)} \] 1. **Convert volume to liters:** - 250 mL = 0.250 L 2. **Molarity (M) is given:** - 0.201 M 3. **Find the molar mass of lead (II) sulfate (PbSO\(_4\)):** - Lead (Pb) = 207.2 g/mol - Sulfur (S) = 32.07 g/mol - Oxygen (O) = 16.00 g/mol (4 oxygen atoms contribute 64.00 g/mol) - Total molar mass = 207.2 + 32.07 + 64.00 = 303.27 g/mol 4. **Calculate mass of solute:** - \[ 0.201 \, \text{mol/L} \times 0.250 \, \text{L} \times 303.27 \, \text{g/mol} \] 5. **Result:** - The mass of the solute can be calculated accordingly.
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