Nitrogen+makes+up+78. 08%+of+the+volume+of+earth's+atmosp here,+and+oxygen+makes+up+20. 95%+of+the+volume. +the+total+air+pressure+at+sea+leve l+is+101. 3+kpa. +from+this+information,+what+can+be +calculated?.

Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?