How many moles of NaNO3 are in 5.68x10^25 formula units? Show all work!

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

Determine the empirical formula for succinic acid that is composed of 40.60% carbon, 5.18% hydrogen, and 54.22% oxygen.

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.