A student measure the mass the volume of a piece of aluminum. The aluminums mass is found to be 25.6 grams and the volume is found to be
9.1 cubic centimeters. What is the density of the aluminum? *
0.36 g/cm3
2.81 g/cm3
232.96 g/cm3
O 7.16 g/cm3

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 is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6

Which of the following is not a characteristic of s waves?