A plant loses 0.12 g of water in 30 minutes through transpiration. Calculate the rate of transpiration in milligrams per minute.
Answer
4 mg/min
The correct answer is 4 mg/min — Thus the transpiration rate is 4 milligrams per minute.
Step-by-step solution
- Convert the water loss from grams to milligrams: 0.12 g = 0.12 × 1000 mg = 120 mg.
- Divide the total loss by the time interval to find the rate: 120 mg ÷ 30 min = 4 mg/min.
- Thus the transpiration rate is 4 milligrams per minute.
Common mistake: Using grams instead of milligrams or misdividing the time
Concept tested: Transpiration rate calculation
Published · How this solution was prepared and checked
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