In the following reaction, how many liters of oxygen will react with 270 liters of ethene (c2h4) at stp? c2h4(g) + 3o2(g) 2co2(g) + 2h2o(g) the volume of one mole of gas at stp is 22.4 liters. a) 810 liters b) 135 liters c) 90 liters d) 540 liters

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

What is the mass of each element in a 324.8 sample of co2

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