The theory of continental drift proposes that the earth's continents may have once been united as a supercontinent but have drifted apart over time. what was the name of the supercontinent? question 8 options: americas pangaea gondwanaland laurasia

Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1

What is the mass of 0.46 mol of mgcl2

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