Achromatography column has a stationary phase volume that is 0.120 times the volume of the mobile phase. find the retention factor, k , for solutes with each of the given partition coefficients, k . a) k=2.8 b) k=22

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?

When the water vapor cools it condenses select a number that represents his process on the

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.