What is one everyday thing that revolves?

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.