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Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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### Chemical Reaction & Calculation: Hydrochloric Acid and Sodium Hydroxide

**Problem Statement:**

Aqueous hydrochloric acid (\( \text{HCl} \)) will react with solid sodium hydroxide (\( \text{NaOH} \)) to produce aqueous sodium chloride (\( \text{NaCl} \)) and liquid water (\( \text{H}_2\text{O} \)).

**Task:** 

Suppose 1.82 g of hydrochloric acid is mixed with 3.1 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.

**Input Area:**

A text box is provided with a label "g" (grams) for entering the mass of water produced.

**Control Buttons:**

- An "X" button likely for clearing or canceling the entry.
- A circular arrow for refreshing or resetting the input.
- Another small box next to the "X" button might be for additional settings or inputs.

---

This problem involves stoichiometric calculations based on the balanced chemical equation for the reaction between hydrochloric acid and sodium hydroxide. Students are expected to use the given masses of reactants to determine the limiting reactant and then calculate the mass of water produced.

**Balanced Chemical Equation:**
\[ \text{HCl} + \text{NaOH} \rightarrow \text{NaCl} + \text{H}_2\text{O} \]

Students should:

1. **Convert the masses of \( \text{HCl} \) and \( \text{NaOH} \) to moles.**
2. **Determine the limiting reactant based on mole ratios from the balanced equation.**
3. **Calculate the moles of \( \text{H}_2\text{O} \) produced from the limiting reactant.**
4. **Convert the moles of \( \text{H}_2\text{O} \) to grams.**
5. **Ensure the final answer has the correct number of significant digits.**

This task helps in understanding the practical application of stoichiometry in chemical reactions.
Transcribed Image Text:### Chemical Reaction & Calculation: Hydrochloric Acid and Sodium Hydroxide **Problem Statement:** Aqueous hydrochloric acid (\( \text{HCl} \)) will react with solid sodium hydroxide (\( \text{NaOH} \)) to produce aqueous sodium chloride (\( \text{NaCl} \)) and liquid water (\( \text{H}_2\text{O} \)). **Task:** Suppose 1.82 g of hydrochloric acid is mixed with 3.1 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits. **Input Area:** A text box is provided with a label "g" (grams) for entering the mass of water produced. **Control Buttons:** - An "X" button likely for clearing or canceling the entry. - A circular arrow for refreshing or resetting the input. - Another small box next to the "X" button might be for additional settings or inputs. --- This problem involves stoichiometric calculations based on the balanced chemical equation for the reaction between hydrochloric acid and sodium hydroxide. Students are expected to use the given masses of reactants to determine the limiting reactant and then calculate the mass of water produced. **Balanced Chemical Equation:** \[ \text{HCl} + \text{NaOH} \rightarrow \text{NaCl} + \text{H}_2\text{O} \] Students should: 1. **Convert the masses of \( \text{HCl} \) and \( \text{NaOH} \) to moles.** 2. **Determine the limiting reactant based on mole ratios from the balanced equation.** 3. **Calculate the moles of \( \text{H}_2\text{O} \) produced from the limiting reactant.** 4. **Convert the moles of \( \text{H}_2\text{O} \) to grams.** 5. **Ensure the final answer has the correct number of significant digits.** This task helps in understanding the practical application of stoichiometry in chemical reactions.
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