A plant fertilizer contains 15% by mass nitrogen (N). In a container of soluble plant food, there are 12.2 oz of fertilizer. How
many grams of nitrogen are in the container?
2 answers:
51.86 grams would be in the container.
One ounce is an equivalent of 28.34 grams, so times that by 12.2
.
12.2 * 28.34 = 345.75.
Put the percentage into decimal form, so 15% would now be 0.15.
0.15 * 345.75 = 51.86.
Answer:
% of N present in 12.2 oz of fertlilizer = 51.9 g
Explanation:
Given:
% of N in fertilizer = 15
Mass of sample fertilizer = 12.2 oz
Conversion factor for Ounce to gram:
1 ounce = 28.3495 g
12.2 ounce (oz) = 12.2 × 28.3495
= 345.8639 g
% of N in fertlilizer = 345.8639 × 0.15
= 51.8795 g
= 51.9 g
% of N present in 12.2 oz of fertlilizer = 51.9 g
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