Multiple Choice
458 kJ is equivalent to how many calories (cal)? (Note: 1 cal = 4.184 J)
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1. Intro to General Chemistry
Conversion Factors
Multiple Choice
Which of the following correctly expresses a volume of 1.25 liters in milliliters?
A
0.125 mL
B
1250 mL
C
12.5 mL
D
125 mL
Verified step by step guidance1
Recall the conversion factor between liters and milliliters: 1 liter (L) is equal to 1000 milliliters (mL).
Set up the conversion by multiplying the given volume in liters by the conversion factor: \(1.25 \, \text{L} \times \frac{1000 \ \text{mL}}{1 \ \text{L}}\).
Notice that the unit liters (L) will cancel out, leaving the volume in milliliters (mL).
Perform the multiplication of the numerical values: \(1.25 \times 1000\) (do not calculate the final number here, just set up the expression).
The result from the multiplication gives the volume in milliliters, which correctly expresses 1.25 liters in milliliters.
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