Which gas sample contains a total of 3.0 x 1023 molecules?
A. 71 g of Cl2
B. 2.0g of H2
C. 14g of N2
D. 38 g of F2

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.

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-