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Consider the titration of 44.2mL of 0.240M HF with 0.180 M NaOH . Calculate the at each of the following points. A)How many milliliters of base are required to reach the equivalence point? B) Calculate pH after addition of 11.1mL of base C) Calculate the pH at halfway to equivalence point D) Calculate pH at equivalence point
Draw the structure resulting from a reaction of a) diborane (B2H6) followed by b) alkaline hydrogen peroxide (NaOH/H2O2) with the following alkene.
THe first equivalence point was reached after the addition of 15.25 mL of base. THe second equivalence point was reached after the addition of 30.98 mL. Find two values for the molarity of H3Y in the original sample.
Draw the complete Lewis Dot Structure, and identify for each molecule the shape, the hybridization on the central atom
Estimate the age of a bottled wine that has a tritium, 3^H, content 65.% that of freshly bottled wine. Tritium decays by beta decay and has a half life of 12.3 yr.
If the partial pressure of H2S is 0.539 atm, calculate the total pressure (atm) of the mixture visualized. I wasn't able to put the actual visualization but I will provide to the best of my ability what was given
.05 moles of PCl5 and 5 moles of PCl3 are introduced into an evacuated 1L chamber. Calculate the equilibrium concentration of PCl3 knowing that K=33.3
In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00 mL of acid in a flask. You quickly add 23.75 mL of 0.0502 M NaOH but overshoot the end point
a retro calculation of the amount of Ni(Nh3)6Cl2 that is needed if 20mL of 0.10M HCl are used to neutralize ammonia. The number I got was 0.07727 g.
What is the de Broglie wavelength in cm, of a 12.9 g hummingbird flying at 1.14 102 mph? (1 mile = 1.61 km.)
The relative humidity of air is equal to the ratio of the partial pressure of water in the air to the equilibrium vapor pressure of water at the same temperature
Use the following data on oxygen solubility to calculate the enthalpy of reaction for oxygen dissolving into water.
.134 mole of KCl and .212 mole of CaCl2 were dissolved in water, calculate total number of Cl ions in the solution
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