Determining molar concentration of the ammonia
If 17.0 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia?
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When X-rays of wavelength 0.900 nm are diffracted by a metal crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2°. What is the distance (in pm) between the two layers of atoms responsible for this diffraction.
Explain the statement that the late nineteenth century cities “grew up, out, and apart.” Had you been alive at the time, what might have attracted you to the city?
What is the concentration of Cl-? Plug that number into the Ksp equation to determine the solubility of AgCl when it is in a solution of 0.15 M NaCl .
Precisely 3.00 s after the speeder passes, the police officer steps on the accelerator; if the police car's acceleration is 1.80 m/s^2, how much time passes before the police car overtakes the speeder after the speeder passes (assumed moving at co
A 2.50-g sample of a large biomolecule was dissolved in 12.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point c
What is the original temperature (in Celsius) of the cylinder? The specific heat of water is 1 cal/g·K, and of copper is 0.0923 cal/g·K. The latent heat of vaporization of water is 539 cal/g.
A handbook lists the aqueous solubility of carbon monoxide at 0 C and 1 atm CO pressure at 0.0354 mg. What would be the molarity of CO in water at the normal partial pressure of CO in air of 0.00036 atm.
An amonio acid has the molecular formla C2H5NO2. what is the empirical formula?
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