Complete the sentence. In chemical reactions, a product is .

1. any substance that is made from the least number of atoms

2. any substance that is to the left of the arrow

3. any substance that is made of the greatest number of atoms

4. any substance to the right of the arrow

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.

What is the number of atoms in 3.54 mol s

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer