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An amphoteric salt is one that encloses an anion that can act as either an acid or a base in water. Baking soda, NaHCO3 is an example. By combining the ionization as well as hydrolysis reactions of the anion, we acquire the principle reaction that occurs when this salt is dissolved in water. 2HCO3- --->CO3 2- +H2CO3 the ph for such a solution is pka1+pka2/2 Compute the pH of NaHCO3 solution
This wavelength is in the x-ray region of the electromagnetic spectrum. The purple dot is a representation of the x-rays hitting the video camera. Change the Electric Field and Magnetic Field to determine the effect on the x-rays. Did the electric..
what is the concentration (in mole/L or M) of Cu2+ and NO3- in the final solution. Remember your significant figures. If there is an impurity of Cu2+ in the water you are using to perform the dilutions, what type of error is this associated with t..
in a saturated solution of mgf2 at 18c the concentration of mg2 is 1.21 x 10-3 molar. the equilibrium is represented
question an isotope of sodium 24na has a half-life of 15 hours. a sample of this isotope has mass 2 g.a find the
hydrogen gas is produced when zinc reacts with sulfuric acidnbsp if 162 of wet is collected over water at 24 and a
Explain the fact that even though dibenzoylmethane (C6H5COCH2COC6H5) is not a methyl ketone, it gives a positive iodoform test when treated with the NaOH and I2.
How many kilograms of chalcopyrite must be mined to obtain 290. g of pure Cu ?
As a reaction progresses backwards toward equilibrium K is the highest value Q attains. e) A reaction with no products present has an infinite Q value.
Titration of the excess unreacted EDTA required 11.6 mL of 0.0200 M Ca2 . The Cd2 was displaced from EDTA by the addition of an excess of CN-.
Write the molecular formula for a compound with the possible elements C, H, N & O that exhibits a molecular ion at M+=85.0894.
The rate-determining step of the bromination of acetone engages breaking a carbon-hydrogen bond. Approximate the ratio of the rate constants Kc-h/Kc-d for the reaction at 300K.
In the lower troposphere, ozone is one of the components of photochemical smog. It is generated in air when nitrogen dioxide, formed by the oxidation of nitrogen monoxide from car exhaust, reacts by the following mechanism.
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