Determine the amount of each ingredient needed to make the mixture. 

You have: 5mg tablets

Ingredient	Formula Quantity	Amount Used
Tablets 10mg	10	Answer Tablets
Levigating agent	10mL	Answer mL
Vehicle	qs 100mL	qs 50mL
Please answer all parts of the question.

To determine the amount of each ingredient needed to make the mixture, we must calculate the required quantities based on the given information. Let’s break down each component of the formulation:

### 1. **Tablets (10 mg)**
- You are asked to prepare a mixture equivalent to 50 mL, but the formula quantity is for 100 mL. Therefore, we need half the quantity.
- The formula quantity uses **10 tablets (10 mg each)** for 100 mL.
- For 50 mL, you would need **5 tablets (10 mg each)**.

**Answer**: 5 tablets of 10 mg.

### 2. **Levigating agent**
- The formula states **10 mL of levigating agent** is used for 100 mL of the final mixture.
- Since you are making 50 mL of the mixture (half the original volume), you will need half the amount of the levigating agent.

**Answer**: 5 mL of levigating agent.

### 3. **Vehicle**
- The vehicle quantity is denoted as **qs**, which means "quantity sufficient" to make up the total volume. 
- You are instructed to prepare **50 mL of the final mixture**, so the vehicle should make up the difference in volume after the active ingredient (tablets) and levigating agent are added.
- Since there is no specific volume provided for the active ingredients (tablets), we assume their contribution to the total volume is negligible.

**Answer**: 50 mL of vehicle.

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### Summary of answers:
1. **Tablets (10 mg each)**: 5 tablets
2. **Levigating agent**: 5 mL
3. **Vehicle**: qs to 50 mL (quantity sufficient)

Would you like further details or any clarifications? Here are five related questions:

1. How is the amount of levigating agent typically determined in pharmaceutical formulations?
2. Why is the term "qs" used in compounding formulations?
3. What is the purpose of a levigating agent in a compound?
4. How do we adjust proportions when scaling formulations up or down?
5. Can the volume of tablets significantly impact the final volume of a solution?

**Tip**: When working with formulations, always ensure to account for the volume displacement of solid ingredients to maintain the correct final volume.

Determine the amount of each ingredient needed to make the mixture. You have: 5mg tablets.

Ingredient	Formula Quantity	Amount Used
Tablets 10mg	10	Answer Tablets
Levigating agent	10mL	Answer mL
Vehicle	qs 100mL	qs 50mL
Please answer all parts of the question.

Learn how to determine the quantities of ingredients needed for a pharmaceutical mixture based on given proportions. This problem involves ratio and proportion concepts, unit conversion, and calculating quantities for tablets, levigating agents, and vehicles. Suitable for students in Grades 9-12.

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