Determine the weight of potassium in a 50 kg NPK (20:20:10) bag of fertilizer.
- 5.0 kg
- 7.0 kg
-
10.0 kg
- 20.0 kg
The correct answer is: C
Explanation
N: P: K = 20: 20: 10
The mass of potassium in 50 kg of NPK = \(\frac{10}{50}\) x 50 = 10 kg
(Total ratio = 20 + 20 + 10 = 50)