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1.) Calculate the H3O+ ion concentrationand pH of a solution formed by adding 215 mL of .100 M acetic acid (CH3COOH) to 215 mL of .0500 M sodium acetate (NAOOCCH3).
2.) Calculate the molar ratio of aceitic acid and sodium acetate required to prepare 1.00 L of buffer solution with pH 3.8 (ka=1.75 x 10-5)
determine how much concentrated solution can you take to form 1.15 litres of 0.105m nitric acid by mixing with
A box contains a mixture of small copper spheres and small lead spheres. The total volume of both metals is measured by the displacement of water to be 423 cubic centimeters and the total mass is 4.30kg.
At a given temperature the vapor pressures of benzene and toluene are 183 mm Hg and 59.2 mm Hg, respectively. calculate the mole fraction of benzene in the vapor pressure over a solution of benzene and toluene with xbenzene =0.600
A hypothetical metal has a simple cubic unit cell with the edge length of 4.123 Å. Calculate the radius of the metal atom.
what will be the final temperature. The specific heats of ice and water are 2.09 and 4.184 J/g.°C, respectively. The heat of fusion for water is 334 J/g.
How many grams of isopropyl alcohol, C3H7OH, should be added to 1.0 L of water to give a solution that will not freeze above -16°C
The compounds whose IR spectra appear below are all substituted alkenes. Use the spectra to determine the substitution pattern.
A 18.0 L gas cylinder is filled with 6.00 moles of gas. The tank is stored at degrees celsius. What is the pressure in the tank
A 500-liter tank contains air at pressure 300 kPa and temperature 500K. Calculate the mass of the air in the tank
a volume of water was delivered using a buret and experimentally determined to have a mass of 2.00-g. what was the
Calculate the change in chemical potential of an ideal gas when its pressure is decreased isothermally at 30 degree
What is the molar mass of the following: a) O2, b) KH2PO4, c) Fe(ClO4)3, d) C4H8O4, e)Ga2(CO3)3, f) KBrO4. Please use significant figures.
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