A compound containing Carbon, hydrogen, and oxygen has 55.4% by mass of Carbon. What mass of the molecule will contain 35.0 g of carbon?

To find the mass of the compound that contains 35.0 g of carbon, we can use the percentage by mass of carbon in the compound (55.4%).

### Step-by-Step Solution:

1. **Percentage of carbon by mass**: We know that 55.4% of the compound's mass is carbon.
2. **Let the mass of the compound be \( M \)** grams. From the percentage, the mass of carbon in the compound is:

\[
\text{Mass of carbon} = 0.554 \times M
\]

3. **Given mass of carbon**: The problem states that the mass of carbon is 35.0 g. So, we set up the equation:

\[
0.554 \times M = 35.0
\]

4. **Solve for \( M \)** (the total mass of the compound):

\[
M = \frac{35.0}{0.554} = 63.2 \, \text{g}
\]

### Conclusion:

The mass of the compound that contains 35.0 g of carbon is **63.2 g**.

Would you like more details or have any questions?

Here are 5 related questions you might find interesting:
1. How would you calculate the amount of hydrogen and oxygen in the compound?
2. What if the percentage of carbon were different, say 60%? How would the answer change?
3. How do you determine the molecular formula of the compound from its mass composition?
4. What steps are needed to calculate the empirical formula from the given data?
5. How would you handle a compound with four elements instead of three?

**Tip**: Always check the units in percentage and mass calculations to avoid confusion.

Learn how to calculate the total mass of a compound containing carbon, hydrogen, and oxygen, with 55.4% carbon by mass, when the given mass of carbon is 35.0 g. This problem covers percentage calculations and algebra, suitable for Grades 9-11.

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