Convert 16.8 L of Helium gas (He2) to mass, the gas is at STP. Show your work. A. 0.75 g
B. 3.5 g
C. 8 g
D. 6 g

Given that the molar mass of nano3  is 85.00  g/mol, what mass of nano3  is needed to make 4.50  l of a 1.50  m nano3solution? use  .6.75 g18.9 g255 g574 g

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

Calculate the molarity of each of the following solutions. part a) 0.12 mol of lino3 in 5.5 l of solution part b) 60.7 g c2h6o in 2.48 l of solution part c) 14.2 mg ki in 100 ml of solution