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An aqueous solution of hydrobromic acid is standardized by titration with a 0.164 M solution of potassium hydroxide. If 39.7 mL of base are required to neutralize 18.1 mL of the acid, what is the molarity of the hydrobromic acid solution
The reaction of 2,2-dimethyl-1-propanol with HBr is very slow and gives 2-bromo-2-methyl-propane as the major product
A 550 mL volume of hydrogen chloride gas, HCl, is collcted at 27 degrees C and 790 mm Hg. What volume will it occupy at STP?
Calculate the percent relative error for the three solutions if perfect technique is used. Report the two new molarities. (The error in a 10-mL transfer pipet is 0.02, and the error in the 200-mL volumetric flask is 0.1)
The excess I3 was titrated with 50.00 mL of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
The resulting mixture exerts a pressure of 745 mm Hg at 95 C. What was the mass of the original sample?
molarity of acetic acid in a 15ml sample of vinegar that requires 22.7 ml of 0.550M solution of NaOH to reach neutralization point
Which of the following are not soluble in water? Remember that the solubility rules apply to ionic compounds, but not necessarily to covalent compounds
What range of accelerating voltages would be required to cover the mass range between 16 and 625, for singly charged ions, if the field strength is held constant?
A 2g sample of an unknown metal, M, was completely burned in excess O2 to yield .02224mol of the metal oxide, M2O3. What is the metal
What is the enthalpy change (in kJ) for burning 73.0 g of methyl alcohol? 2)A reaction that is used to propel rockets is N2O4(l) + 2N2H4(l) --> 3N2(g) + 4H2O(g)
what is the purpose of the anhydrous cacl2? the important that none of the solid cacl2 be included in the final distillation of 1-bromobutane.
Sketch a titration curve for the titration of 100mL of 1.25x10^-2 M ascorbic acid with 1.00x10^-2 M NaOH, given that Ka= 8.0x 10^-5 and Ka2= 1.6x10^-12. How many equivalence points should the curve have and what color indicator(s) could be used?
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