35. Calculate the resulting normality of a solution prepared by mixing 20 ml of 018 m NaOH with 25ml
of o'um H₂ sou solutions.​

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.

Can someone me with these questions plz.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.