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How many moles of oxygen are produced at room temperature given the following: Volume of oxygen at room temp = 48.3 mL (0.0483 L) Room temp. = 295.35K Barometric pressure = 775.7 mm Hg (1.0207 atm) Mass of oxygen produced at room temp = 0.0532g
A 0.200 M solution of a weak monoprotic acid HA is found to have a pH of 3.00 at room temperature. What is the ionization constant of this acid?
For 0.51 M HCN (Ka=6.2 x 10-10), mark the majorand minor species found in the solution. H+ HCN CN- H2O OH- Now calculate the pH of 0.51 M HCN solution. (Ka=6.2 x 10^-10)
Which of the following terms define(s) an acid according to the Bronsted-Lowry theory?
What is the final concentration of copper in the flask b)what is the uncertainty in the value of the copper concentration?
The concentration of hydrogen ions in a solution of 40.0 mM butanoic acid and 0.01 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 10-5. Take the size of C3H7COO- to be 500 pm
calculate the ph of a solution of calcium carbonate having [calcium ion]=1.3x10^-4M,[carbonate ion]=3.8x^10-5M and [HCO3]=8.8X10^-5M
Uranium-235 is an important nuclear fuel. However, the ^235Uisotope is only a very small amount of naturally occurring uranium. Therefore, taking advantage of gas diffusion rates and molecular masses, naturaly occurring uranium(IV) oxide is conver..
Determine the Ka of the ethylammonium ion (C2H5NH3+). [Kb of ethylamine (C2H5NH2) = 8.6 x10^-4]
If the initial concentration was [SO2CL2]=.230 M, what is the equilibrium concentration of all species present if Kc= 2.99*10^-7 SO2Cl2(g) SO2(g)+Cl2(g)
Calculate the ?(wavelength) (m) associated with an electron that travels at 50% of the speed of light. (Mass of an electron = 9.11 × 10-28 g)
Running a TLC of Unknown Compound X using eluent hexane:ethyl acetate 4:1. The Rf of the unknown is too close to the baseline. What should I do?
Which of the intermolecular forces is the most important contributor to the high surface tension shown by water and What is the quantum of light called?
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