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Acetic acid (C2H4O2) is weak acid. Write the equilibrium chemical equation for an aqueous solution of acetic acid. Derive the acid dissociation constant (Ka) from the chemical equation at equilibrium.
how many grams of potassium are present in 13.6g of K2Cr2O7
the inital temperature of the water was 25.2c at equilbrium the temperature of the water and metal was 30.4 degree c.
how many liters of H2 would be formed at 530 mm Hg and 15 degrees celcius if 20.5g of zinc was allowed to react?
How many grams of potassium nitrate are required to prepare 0.250 L of a 0.700 M solution?
The allowable concentration level of vinyl chloride,C2H3Cl , in the atmosphere in a chemical plant is 2.4×10-6 .How many moles of vinyl chloride in each liter does this represent? How many molecules per liter?
A gas occupying a volume of 263 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What is its final volume?
0.8 moles of acetic acid (weak acid) is added to 1.25 liters of water and the pH is adjusted to 5.8. what is the concentration of acetate ion
Identical containers Ar, CO2, He, and Cl2 at the same temperature and pressure. Which has the lowest density?
Classify the following salt solution as neutral acidic or basic. Explain and use quilibrium value constants
Calculate the binding energy per nucleon (in MeV) for P-30 (atomic mass = 29.9783 u). H = 1.007825 u and n = 1.008665 u.
For thousands of years native americans living along the north coast of peru used knotted cotton strands called quipi to record financial transations and governmental actions
Calculate the pH of each of the following solutions. (a) 0.100 M propanoic acid (HC3H5O2, Ka = 1.3 x 10^-5) (b) 0.100 M sodium propanoate (NaC3H5O2) (c) pure H2O (d) 0.100 M HC3H5O2 and 0.100 M NaC3H5O2
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