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Exactly 100 mL of 0.15 M HNO2 is titrated with a 0.15 M NaOH solution. What is the pH at the equivalence point? The Kb of NO2- is equal to 2.2 x 10-11.
A copper zincs voltaic cell is constructed using 100 ml solutions if 1 M solutions of copper sulfate and zincs sulfate with a sodium sulfate salt Bruges.
Name one analytical technique you can use to determine if your product is the E,E isomer and not the E,Z or Z,Z isomer.
solution of potassium sulfate. Assuming that all ionic species are completely dissociated, what is the osmotic pressure of the mixture in torr?
When 7.51 grams of propane reacts with excess oxygen how many grams of carbon dioxide are formed
Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound
The oil level in the arm connected to flask 2 is 14.17 cm higher than in the arm connected to flask 1. Flask 1 is also connected to an open-end mercury manometer. The mercury level in the arm open to the atmosphere is 18.48 cm higher than the leve..
Solid iron reacts with chlorine gas to produce iron(III) chloride. If 10.0 grams of iron reacts with excess chlorine gas and 18.5 grams of iron(III) chloride is produced, what is the percent yield of the iron(III) chloride?
He decides to run an FTIR on the resultant powder on the cold finger apparatus. WHat functional group would clearly cofiirm that the white powder is indeed caffeine and not catechin?
Ethane C2H6 burns in oxygen a.) what are the products of reaction b.)write the balanced equation for the reaction
What is the theoretical amount of oxygen required for the fuel mixture. What amount of air is added to the fuel mixture. How many moles of methane are present in the product gas
Estimate dissociation energy of HF using simpe additivity rule If given that d(H-H) and D(F-F) IN H 2 is 336kj/mol and F2 is 258 kj/mol
Find the percent by mass of sodium chloride in a 1.25M NACL solution. The density of the solution is 1.06g/ml.
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