1.505 × 1023 molecules of sugar. how many moles of sugar are present in the sample? answer without doing any calculations.

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.

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.