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Determine the pH of a solution that is 1.40% NaOH by mass. Assume that the solution has density of 1.01 g/mL.
mass of magnesium = .021 grams initial volume = 50.00 mL final volume = 25.6 volume of liquid displaced = 24.4 volume of hydrogen gas produced = 24.4?
if I weigh KHP to use in an experiment (to titrate with NaOH ) on a triple beam balance opposed to analytical scale to eventually find molar mass of unknown NH4 salt, what effect, if any, would this have on the accuracy of final results
A chemist needs to determine the concentration of a solution of nitric acid, HNO3 . She puts 725 mL of the acid in a flask along with a few drops of indicator. She then slowly adds 0.400 M Ba(OH)2 to the flask until the solution turns pink, indica..
Define the final organic product of the subsequent reaction. Hexagon---triple bond O----OH + H3C--CH2--NH2 ----> heat above the arrow H2O+
If 2- propanol(isopropyl alcohol) had been used in this experiment (the oxidation of 1- propanol to propanal) instead of 1- propanol, what would be the product have been. Would the % yield have been better or worse.
Calculate the boiling point and freezing point of a solution containing 999g ethylene glycol and 3202g of water? kb(water)=0.52 C/m, kf(water)=1.86 C/m
Titration of the I2 produced from .1045g of primary standard KIO3 required 30.72ml of sodium thiosulfate, Calculate the concentration of the Na2S2O3
the half-life of tritium 31h is 12.3 years. if 47.0 mg of tritium is released from a nuclear power plant during the
If 27.0 mL of 0.0200 M KMnO4 were required to titrate a 0.425 g sample of K3[Fe(C2O4)3] * 3H2O, what is the % purity of the complex
Raw milk sours in 4.0 hours at 28 degrees celcius but takes 48 hours to sour in a refrigerator at 5 degrees celcius. Calculate the activation energy for the souring of milk?
Gives what happens at neutral pH for aluminum hydroxide. A) Al dissolves B) Al(H2O)63+ dissolves C) Al(OH)3 precipitates D) Al(H2O)2(OH)4- dissolves
An equimolar liquid mixture of benzene and toluene at 10C is fed continuously to a vessel in which mixture is heated to 50C.
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