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If the purity of compounhe Z is 87% and the reed value for its molar extinction coefficient is 9200M-1 cm-1 at 605nm. What should you measure as the E of this impure compund Z?
Acid-base titration & analytical chemistry, A 0.213-g sample of uranyl(VI)nitrate, UO2(NO3)2, is dissolved in 20.0 mL of 1.0 M H2SO4 and shaken with Zn. The zinc reduces the uranyl ion, UO2 (with a charge of 2+)
If you have 100 g of Na and 50 g of H20 to perform the following reaction, how many grams of NaOH(aq) will you produce
What mass of ethylene glycol must be added to 1615g water to raise the boiling point to 104.3 degrees celcius?
what is the expected boiling point of a brine solution containing 30.00g of KBr dissolved in 100.0g of water?
A 4.305-gram sample of a nonelectrolyte is dissolved in 105 grams of water. The solution freezes at -1.23°C. Calculate the molecular weight of the solute. Kf for water = 1.86°C/m.
in an experiment you combine 4-methyl-2-pentene and water in the lab you setup the experiment using nbspa heater
For the unbalanced equation _Al+_O2=_Al2O3. How many moles are needed to form 2.3 moles of aluminum oxide.
Calculate the moles and the mass of solute in 250.0 mL of 6.00 M NaOH.
Calculate the molality and molarity of an NH3 solution made up of 28.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
Calculate the specific heat of the vanadium. All the possible information and still can't figure out how to find vanadium's specific heat as no amount of heat is given.
Draw the major organic product for (2R,3S)-2-bromo-3-methylpentane reacting with the given nucleophile. Indicate stereochemistry if necessary, including H\'s, at each stereogenic center.
What is indicator , auto indicator , end point , reducing point , titration , neutrilization reaction
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