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If 25 ppm of 2,4 D is required to perform a Plant function what amount of 2,4D are required for making 5 liter, 10 liter and 15 liter solutions respectively? (molecular weight of 2,4 D is approx 220)?
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If 25 ppm of 2,4 D is required to perform a Plant function what amount...
Understanding PPM (Parts Per Million)
PPM (parts per million) is a way to express very dilute concentrations of substances. A concentration of 25 ppm means that there are 25 grams of a substance in one million grams of solution.

Calculating the Amount of 2,4-D Required
To calculate the amount of 2,4-D needed for different volumes of solution, we use the following formula:
\[ \text{Mass (g)} = \text{Volume (L)} \times \text{Concentration (ppm)} \times \frac{\text{Molecular Weight}}{1,000,000} \]
- The molecular weight of 2,4-D is approximately 220 g/mol.
- Concentration required is 25 ppm.

Calculations for Different Volumes
1. **For 5 Liters:**
- Mass = \( 5 \, \text{L} \times 25 \, \text{ppm} \times \frac{220}{1,000,000} \)
- Mass = \( 5 \times 25 \times 0.00022 = 0.0275 \, \text{g} \)
2. **For 10 Liters:**
- Mass = \( 10 \, \text{L} \times 25 \, \text{ppm} \times \frac{220}{1,000,000} \)
- Mass = \( 10 \times 25 \times 0.00022 = 0.055 \, \text{g} \)
3. **For 15 Liters:**
- Mass = \( 15 \, \text{L} \times 25 \, \text{ppm} \times \frac{220}{1,000,000} \)
- Mass = \( 15 \times 25 \times 0.00022 = 0.0825 \, \text{g} \)

Summary of Required Amounts
- **5 Liters:** 0.0275 g of 2,4-D
- **10 Liters:** 0.055 g of 2,4-D
- **15 Liters:** 0.0825 g of 2,4-D
This detailed calculation helps in accurately preparing solutions for plant functions using 2,4-D at the required concentration.
Community Answer
If 25 ppm of 2,4 D is required to perform a Plant function what amount...
0.125 g,0.250g,0.375g
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If 25 ppm of 2,4 D is required to perform a Plant function what amount of 2,4D are required for making 5 liter, 10 liter and 15 liter solutions respectively? (molecular weight of 2,4 D is approx 220)?
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