What is the formula of a potassium ion?

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.

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: