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The pH of a bicarbonate-carbonic acid buffer is 7.80. Calculate the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-).
What mass of melamine will be obtained from 168 kg of urea if the yield of the overall reaction is 79.0%
The equilibrium constant for the reaction N2+3H2 2NH3 is Kp=4.34*10^-3 at 300 C. Pure NH3 is placed in a 1.00-L flask and allowed to reach equilibrium at this temperature. There are 1.01 g NH3 in the equilibrium mixture. What is the mass of N2 in..
Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that freezes at -14.5 C?
Which of the following salts will make an ACIDIC solution when dissolved in water. a. NH4Cl b. Al(NO3)3 c. K2CO3 d. NaF Which of the following salts will make a BASIC solution when dissolved in water. a. NaHS b. Cu(NO3)2 c. KHCO3 d. NaF
The Ksp of AgCl at 25 oC is 1.6 x 10-10. Consider a solution that is 1.0 x 10-4 M CaCl2 and 1.0 x 10-6 M AgNO3. 1. Q
a 10.00ml sample of drain cleaner, which contains NaOH, was titrated with 25.00ml of 1.00M HCl. calculate the number of moles of HCl added.
Calculate the maximum wavelength of light with sufficient energy to dissociate a diatomic chlorine molecule into chlorine radicals.
A sealed glass jar has a small amount of water on the bottom. The rest of the volume in the jar is taken up by helium gas at a partial pressure of 526 Hg, and water vapor. If the total pressure inside the jar is 760. mmHg, what is the temperature ..
If two reactions sum to an overall reaction, and the equilibrium constants for the two reactions are and , what is the equilibrium constant for the overall reaction
The reaction 1 M + 2 N ? 1 P has a equilibrium constant, Kc, equal 8.52 x E-06 where E is the exponent on 10. The initial concentration of M is 0.58 M
How much magnesium chloride would you have to purchase to make up 10.0 L of bath water saturated with magnesium chloride
Consider the reaction when aqueous solutions of barium acetate and chromium(III) iodide are combined. The net ionic equation for this reaction is
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