If a 350mL wine contains 42mL of alcohol,what is the percent by volume of alcohol in the wine?

To find the percent by volume of alcohol in the wine, we use the following formula:

\[
\text{Percent by volume of alcohol} = \left( \frac{\text{Volume of alcohol}}{\text{Total volume of wine}} \right) \times 100
\]

Given:
- Volume of alcohol = 42 mL
- Total volume of wine = 350 mL

Substitute the values into the formula:

\[
\text{Percent by volume of alcohol} = \left( \frac{42}{350} \right) \times 100 = 12\%
\]

So, the percent by volume of alcohol in the wine is **12%**.

Would you like more details or have any questions? Here are some related questions:

1. How would the alcohol percentage change if the total volume of wine was reduced?
2. How is the percent by volume different from the percent by mass?
3. What is the formula to convert percent by volume to proof for alcoholic beverages?
4. How would the percent by volume change if the volume of alcohol were increased to 50 mL?
5. How does temperature affect the volume of liquids like alcohol and wine?

**Tip:** Percent by volume is commonly used for alcoholic beverages to indicate their strength.

If a 350mL wine contains 42mL of alcohol, what is the percent by volume of alcohol in the wine?

Learn how to calculate the percent by volume of alcohol in a 350mL wine that contains 42mL of alcohol. This step-by-step guide explains the key concepts of percentages and ratios, with a formula to determine the strength of alcoholic beverages. Suitable for students in Grades 6-8.

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