how many kinds of chemically non-equivalent hydrogens are there in each of the following compounds? a the number of chemically non-equivalent hydrogens is . b the number of chemically non-equivalent hydrogens is .

Iknow the answer is a but i don't know why

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

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.