Macmillan Learning The balanced equation for the reaction of aqueous Pb(ClO3)2 with aqueous Nal is shown below. Pb(ClO3)₂(aq) +2 Nal(aq) → Pbl₂(s) +2 NaC1O₂(aq) What mass of precipitate will form if 1.50 L of excess Pb(CIO3)₂ is mixed with 0.350 L of 0.170 M Nal? Assume 100% yield and neglect the slight solubility of Pbl. mass: x10 TOOLS g

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How can we find the mass and how many percent yield of the reaction?
**Chemical Reaction and Precipitate Calculation**

The balanced equation for the reaction of aqueous lead(II) chlorate, Pb(ClO₃)₂, with aqueous sodium iodide, NaI, is shown below:

\[ \text{Pb(ClO}_3\text{)}_2\text{(aq)} + 2 \text{NaI(aq)} \rightarrow \text{PbI}_2\text{(s)} + 2 \text{NaClO}_3\text{(aq)} \]

**Problem Statement:**

What mass of precipitate will form if 1.50 L of excess Pb(ClO₃)₂ is mixed with 0.350 L of 0.170 M NaI? Assume 100% yield and neglect the slight solubility of PbI₂.

**Calculation Requirement:**

- Enter the calculated mass of the precipitate in grams (g) in the provided field.

**Note:** The problem provides a space labeled "mass:" and a section for entering numerical values with tools for scientific notation (×10^).
Transcribed Image Text:**Chemical Reaction and Precipitate Calculation** The balanced equation for the reaction of aqueous lead(II) chlorate, Pb(ClO₃)₂, with aqueous sodium iodide, NaI, is shown below: \[ \text{Pb(ClO}_3\text{)}_2\text{(aq)} + 2 \text{NaI(aq)} \rightarrow \text{PbI}_2\text{(s)} + 2 \text{NaClO}_3\text{(aq)} \] **Problem Statement:** What mass of precipitate will form if 1.50 L of excess Pb(ClO₃)₂ is mixed with 0.350 L of 0.170 M NaI? Assume 100% yield and neglect the slight solubility of PbI₂. **Calculation Requirement:** - Enter the calculated mass of the precipitate in grams (g) in the provided field. **Note:** The problem provides a space labeled "mass:" and a section for entering numerical values with tools for scientific notation (×10^).
**Chemistry Reaction and Yield Analysis**

**Ammonia Reaction Overview:**

Ammonia (\(NH_3\)) reacts with oxygen (\(O_2\)) to form nitrogen gas (\(N_2\)) and water (\(H_2O\)). The balanced chemical equation for the reaction is:

\[ 4NH_3(aq) + 3O_2(g) \rightarrow 2N_2(g) + 6H_2O(l) \]

**Limiting Reactant Calculation:**

In this example, 2.05 g of \(NH_3\) reacts with 3.08 g of \(O_2\) and produces 0.550 L of \(N_2\) at 295 K and 1.00 atm. To determine the limiting reactant, consider the available reactants:

- **Oxygen (\(O_2\))**
- **Ammonia (\(NH_3\))**

**Percent Yield Calculation:**

The problem asks for the percent yield of the reaction. This involves comparing the actual yield (0.550 L of \(N_2\) produced) to the theoretical yield expected from stoichiometric calculations.

Percent yield formula:

\[ \text{Percent Yield} = \left(\frac{\text{Actual Yield}}{\text{Theoretical Yield}}\right) \times 100\% \]

Enter your calculated percent yield in the provided space.

---

This setup allows for hands-on problem-solving and application of stoichiometry concepts.
Transcribed Image Text:**Chemistry Reaction and Yield Analysis** **Ammonia Reaction Overview:** Ammonia (\(NH_3\)) reacts with oxygen (\(O_2\)) to form nitrogen gas (\(N_2\)) and water (\(H_2O\)). The balanced chemical equation for the reaction is: \[ 4NH_3(aq) + 3O_2(g) \rightarrow 2N_2(g) + 6H_2O(l) \] **Limiting Reactant Calculation:** In this example, 2.05 g of \(NH_3\) reacts with 3.08 g of \(O_2\) and produces 0.550 L of \(N_2\) at 295 K and 1.00 atm. To determine the limiting reactant, consider the available reactants: - **Oxygen (\(O_2\))** - **Ammonia (\(NH_3\))** **Percent Yield Calculation:** The problem asks for the percent yield of the reaction. This involves comparing the actual yield (0.550 L of \(N_2\) produced) to the theoretical yield expected from stoichiometric calculations. Percent yield formula: \[ \text{Percent Yield} = \left(\frac{\text{Actual Yield}}{\text{Theoretical Yield}}\right) \times 100\% \] Enter your calculated percent yield in the provided space. --- This setup allows for hands-on problem-solving and application of stoichiometry concepts.
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