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10.00 mL of a hydrochloric acid solution was titrated with a 0.1270-M solution of barium hydroxide. If the end point was reached when 28.09 mL of the barium hydroxide solution was added, what is the molarity of the hydrochloric acid solution?
The equilibrium vapor pressure of 2-butanol at 34.7°C is 75.0 mmHg. Calculate the equilibrium vapor pressure at 46.7°C, if ?H°vap = 49.7 kJ/mol.
a cylinder -piston system contains 4 kilograms of liquid water saturated at 35 c. a piston frictionless with
Write a net ionic equation for the neutralization reaction of CH3CO2H(aq) with CsOH(aq). 2. Which of the following compounds is an Arrhenius base in water?
A 1.90 g sample of a large boimolecule was dissolved in 11.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule
solution of water (Kf = 1.86^ C/m) and glucose freezes at - 2.55^ C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 ^ C.
titration volume should be between 10 mL and 50 mL. What are the smallest (first answer box) and largest (second answer box) masses of formic acid that would give titration volumes within the limits above?
The final temperature of the calorimeter is 29.5 deg C. What is the specific heat capacity of the unknown metal. The specific heat capacity of water is 4.184J g^-1 degC^-1. Write answer in decimal form to two decimal places.
How is the mass in amu of one atom of an element related to the mass in grams of one mole of the element?
How many moles of steam are produced at 2.00 atm and 202.0 by the complete combustion of 12.50 L of methane gas?
how many moles of glucose C6H12O6 can be burned biologically when 10.0 mole of oxygen is available
Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated.
Complete the two half reactions for the Pt electrode. Write two correct Nernst equations for the cell voltage.
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