Chemistry, 02.11.2019 05:31, Ezekielcassese
Astudent in lab prepared a cereal sample solution for spectroscopic analysis as described in the lab manual, and found the concentration of fe3+ in the sample to be 2.50 x 10β5 m. if her sample solution was prepared by diluting 25 ml of the original solution to a total volume of 100 ml, what is the concentration of the original solution?
Answers: 2
Chemistry, 22.06.2019 09:00, alydiale584
Particles vibrate in a rigid structure and do not move relative to their neighbors.
Answers: 1
Chemistry, 22.06.2019 10:30, kluckey3426
Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88
Answers: 1
Chemistry, 22.06.2019 23:00, liv467
Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?
Answers: 3
Astudent in lab prepared a cereal sample solution for spectroscopic analysis as described in the lab...
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