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You titrate 25.0 mL of 0.110 M NH3 (Kb = 1.76 x 10-5) with 0.100 M HCl. What volume of HCl is required to reach the equivalence point and what is the pH at the equivalence point?
Define nucelophilicity. Give a detailed explanation as to why hydroxide
Thin-layer chromatography - Explain how you should apply a spot of compound to the TLC plate in order to get the best results. How do you know if you have overloaded your TLC plate. Why is this a problem
The Ka for acetic acid, HC2H3O2, is 1.8 x 10-5. 1. What is the pH of 50.0 mL of 0.100M solution, if 0.00 mL of base has been added
Calculate the delta H for the reaction in KJ/mol AgNO3, assuming that the combined solution has a mass of 100.00g and a specific heat of 4.18J/gc
what is the theoretical yield for carbon dioxide. if 1.44 g of carbon dioxide is isolated from this reaction, what is the percent yield for carbon dioxide
A sample of neon has a volume of 270 mL when it is at a pressure of 831 mmHg. What will be the volume when the pressure is increased to 1238 mmHg?
A patient's blood test shows that she has elevated levels of LDL (low density lipoproteins) at 4.12 mmol/L. Convert this concentration to units of molarity (mol/L).
What is the hydroxide ion concentration and the pH for a hydrochloric acid solution that has a hydronium ion concentration of 1.50 × 10-3 M?
Draw a valence bond structure for the BH3-THF complex showing formal charges
Dissolving NH4NO3 in water is an endothermic process. In fact, this reaction is often used in cold packs sold at the drug store. When 23.8 g of NH4NO3 was rapidly dissolved in 79.5 mL of water in a coffee cup calorimeter,
Calculate the molarity of a sodium chloride brine solution that exhibits a density of 1.13 g/mL and a mass percent of 17.7% at room temp.
How many mL of 0.0150 M NaOH are needed to titrate the excess HCl
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