How much does five gallons of water weigh?

To determine the weight of five gallons of water, it's essential to understand the basic principle that one gallon of water weighs approximately 8.34 pounds. By multiplying this weight by the number of gallons, you can calculate the total weight of the water.

For five gallons, the calculation is as follows:

[

5 \text{ gallons} \times 8.34 \text{ lbs/gallon} = 41.7 \text{ lbs}

]

This means that five gallons of water weighs 41.7 pounds, which is the correct answer. Understanding the weight of water is fundamental in various applications, including water treatment and distribution, where precise weight measures can be critical in calculations related to processes and regulations.