How can calculate the purpose of using the brine
How can calculate the purpose of using the brine in the experiment, in a lab we completed a reaction, and then washed the ether layer with brine.
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The protein has a MW of 35,000. One is interested in determining the affinity of P for leonine. An amino acid binding protein (P) is released from E. coli by the osmotic shock, and purified to homogeneity.
When 1.00 gram of Compound D is totally combusted, 0.735 g H2O and 0.900g CO2 are collected. Calculate the complete empirical formula of compound D.
Develop a 0.99 confidence interval using the sample data given below. (Give your answers correct to two decimal places.)
Discuss what mass of AlBr3 will be formed if 1.00 gram of Al totally reacts with the excess Br2? Aluminum will react with the bromine (Br2) to produce AlBr3.
A 10.00-gram sample of this mixture is dissolved in the acid, and reacted with excess sodium oxalate to produce a precipitate which is a mixture of the thorium oxalate, Th(C2O4)2 and the calcium oxalate, CaC2O4.
Under the same conditions, the rate of effusion of Pure Methane (CH4) gas is 47.8 mL/min. What is the molar mass of unknown gas if the rate of effusion of a particular gas was calculated and found to be 24.0 mL/min.
You dissolve the tablet in hydrochloric acid and filter off insoluble material. An antacid tablet has calcium carbonate as the active ingredient; other ingredients include a starch binder.
Determine the value of k for this reaction if the half-life for this reaction is 2.00 s when [NOBr]0= 0.900 M. Explain how much time is needed for the concentration of NOBr to decrease to 0.113 M?
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