To find the mass in pounds of 25 gallons of gasoline, we first need to calculate the total volume of gasoline in milliliters (ml), then use the density to find the mass in grams, and finally convert that mass to pounds.
1. Convert gallons to liters:
- There are 3.785 liters in 1 gallon.
- So, 25 gallons is:
- 25 gallons × 3.785 L/gallon = 94.625 liters
2. Convert liters to milliliters:
- There are 1000 ml in 1 liter.
- So, 94.625 liters is:
- 94.625 L × 1000 ml/L = 94625 ml
3. Calculate the mass using the density:
- The density of gasoline is 0.710 g/ml.
- Mass = Density × Volume = 0.710 g/ml × 94625 ml = 67184.75 grams
4. Convert grams to pounds:
- There are 453.6 grams in 1 pound.
- So, the mass in pounds is:
- 67184.75 grams ÷ 453.6 g/pound ≈ 148.28 pounds
Therefore, the mass of 25 gallons of gasoline is approximately 148.28 pounds.