How many mL of 0.150 M Ca(OH)2(aq) will be required to completely react with 150. mL of 0. 100 M HCl(aq) solution. Express your answer in decimal notation.

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### Chemistry Problem: Reaction of Calcium Hydroxide and Hydrochloric Acid

**Problem Statement:**

How many mL of 0.150 M Ca(OH)₂(aq) will be required to completely react with 150. mL of 0.100 M HCl(aq) solution.

**Instructions:** 
Express your answer in decimal notation.

**Concept Review:**

This problem involves a neutralization reaction between calcium hydroxide \[Ca(OH)₂\] and hydrochloric acid \[HCl\]. The balanced chemical equation for this reaction is:

\[ Ca(OH)_2(aq) + 2 HCl(aq) \rightarrow CaCl_2(aq) + 2 H_2O(l) \]

To solve this, we need to use the concept of molarity and stoichiometry.

**Solution Steps:**

1. **Calculate moles of HCl:**
   \[ \text{Moles of HCl} = \text{Volume} \times \text{Molarity} \]
   \[ \text{Moles of HCl} = 150.0 \text{ mL} \times \frac{1 \text{ L}}{1000 \text{ mL}} \times 0.100 \text{ M} \]
   \[ \text{Moles of HCl} = 0.0150 \text{ moles} \]

2. **Determine moles of Ca(OH)₂ needed:**
   According to the balanced equation, 1 mole of \(Ca(OH)₂\) reacts with 2 moles of \(HCl\).
   \[ \text{Moles of Ca(OH)₂} = \frac{0.0150 \text{ moles HCl}}{2} \]
   \[ \text{Moles of Ca(OH)₂} = 0.00750 \text{ moles} \]

3. **Calculate volume of 0.150 M Ca(OH)₂ solution required:**
   \[ \text{Volume} = \frac{\text{Moles of Ca(OH)₂}}{\text{Molarity of Ca(OH)₂}} \]
   \[ \text{Volume} = \frac{0.00750 \text{ moles}}{0.150 \text{ M
Transcribed Image Text:### Chemistry Problem: Reaction of Calcium Hydroxide and Hydrochloric Acid **Problem Statement:** How many mL of 0.150 M Ca(OH)₂(aq) will be required to completely react with 150. mL of 0.100 M HCl(aq) solution. **Instructions:** Express your answer in decimal notation. **Concept Review:** This problem involves a neutralization reaction between calcium hydroxide \[Ca(OH)₂\] and hydrochloric acid \[HCl\]. The balanced chemical equation for this reaction is: \[ Ca(OH)_2(aq) + 2 HCl(aq) \rightarrow CaCl_2(aq) + 2 H_2O(l) \] To solve this, we need to use the concept of molarity and stoichiometry. **Solution Steps:** 1. **Calculate moles of HCl:** \[ \text{Moles of HCl} = \text{Volume} \times \text{Molarity} \] \[ \text{Moles of HCl} = 150.0 \text{ mL} \times \frac{1 \text{ L}}{1000 \text{ mL}} \times 0.100 \text{ M} \] \[ \text{Moles of HCl} = 0.0150 \text{ moles} \] 2. **Determine moles of Ca(OH)₂ needed:** According to the balanced equation, 1 mole of \(Ca(OH)₂\) reacts with 2 moles of \(HCl\). \[ \text{Moles of Ca(OH)₂} = \frac{0.0150 \text{ moles HCl}}{2} \] \[ \text{Moles of Ca(OH)₂} = 0.00750 \text{ moles} \] 3. **Calculate volume of 0.150 M Ca(OH)₂ solution required:** \[ \text{Volume} = \frac{\text{Moles of Ca(OH)₂}}{\text{Molarity of Ca(OH)₂}} \] \[ \text{Volume} = \frac{0.00750 \text{ moles}}{0.150 \text{ M
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