I Graduated cylinder reading
Triple beam balance reading,
Work for the molar mass.
Work for the number of moles.
Convert graduated cylinder reading to L
Work for molarity.

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.

What is the morality of 2.50 l of solution that contains 1.85 mol of anhydrous sodium tetraborate?