Chemistry, 14.01.2020 15:31 anoyinpokep3c3sg
2. describe in a step by step manner how you determined the identity of the two unknowns. discuss both what you determined the unknowns to be and the method that you used to find them.
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In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust
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What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?
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If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.
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The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
2. describe in a step by step manner how you determined the identity of the two unknowns. discuss bo...
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