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Chemistry, 24.12.2019 03:31 mikeeway33
Typical room is 4.0 m long, 5.0 m wide, and 2.5 m high. what is the total mass of the oxygen in the room assuming that the gas in the room is at stp and that air contains 21% oxygen and 79% nitrogen?
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Chemistry, 22.06.2019 07:30
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
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Typical room is 4.0 m long, 5.0 m wide, and 2.5 m high. what is the total mass of the oxygen in the...
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