Suppose you have a mixture with a mass of 4.047 g which contains iron fillings, alu the iron filings from the mixture using a magnet. The iron filings have a mass of 0.3 the mixture? % iron=

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### Mixture Separation and Mass Percentage Calculation

**Educational Exercise:**

Suppose you have a mixture with a mass of 4.63 g which contains iron filings, aluminum powder, and sucrose. You separate the iron filings from the mixture using a magnet. The iron filings have a mass of 0.308 g. What is the percent by mass of iron in the mixture?

**Calculation:**
\[
\% \text{ Iron} = 
\]

*Note: The exercise has a blank space for the student to fill in the answer.*

---

**Explanation of Diagram:**

- The diagram is a simple horizontal line followed by the text "% Iron =", indicating where the calculated percentage should be written. This space is for students to enter their computed value based on their understanding of percentage by mass.

---

This exercise is designed to help students practice separating a mixture and calculating the percent composition of a component within that mixture.

For more educational exercises, explore our [Learning Modules](#).

---

Source: ©Macmillan Learning
Transcribed Image Text:--- ### Mixture Separation and Mass Percentage Calculation **Educational Exercise:** Suppose you have a mixture with a mass of 4.63 g which contains iron filings, aluminum powder, and sucrose. You separate the iron filings from the mixture using a magnet. The iron filings have a mass of 0.308 g. What is the percent by mass of iron in the mixture? **Calculation:** \[ \% \text{ Iron} = \] *Note: The exercise has a blank space for the student to fill in the answer.* --- **Explanation of Diagram:** - The diagram is a simple horizontal line followed by the text "% Iron =", indicating where the calculated percentage should be written. This space is for students to enter their computed value based on their understanding of percentage by mass. --- This exercise is designed to help students practice separating a mixture and calculating the percent composition of a component within that mixture. For more educational exercises, explore our [Learning Modules](#). --- Source: ©Macmillan Learning
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