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Question- The half-equivalence of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
If 0.440 moles of a monoprotic weak acid (Ka=7.4 *10^-5 M) is titrated with NaOH, what is the pH of the solution at the half -equivalence point?
pH=?
Working it out this problem I need proficient help to working out this problem
During the discharge of an alkaline battery, 13.9 g of Zn are consumed at the anode of the battery. What mass of MnO2 is reduced at the cathode during this discharge
if a 210 mg piece of gold density 19.32 rm grm cm3 is hammered into a sheet measuring 2.5times1.0 rm ft what is the
State a chemical equation for the synthesis of ethyl 2-methylpropanoate. Utilize structural formulas including all the CH3, CH2, etc. details for each organic compound in your equation. Also, name each reactant.
At 1.00 atm and 23 C, how many liters of carbon dioxide are formed by the combustion of 3.40g of butane?
Explain a robust first grader goes for swimming lessons three times a week as well as he enjoys it thoroughly. During the first week of December he develops an upper respiratory infection starts coughing continuously, as well as has a high fever o..
H2 and Cl2 combine to form HCl. In a gas phase equilibrium mixture of H2, Cl2, and HCl at 300 K, [HCl] = 0.0036 mol/L and [Cl2] = 0.00485 mol/L.
Determine the magnesium content (in ppm) of a 100.00 mL sample of drinking water if the following data were obtained. Titrant is 0.0481 M EDTA, 12.78 mL were used when an aliquot of the sample was at pH 13.0
how many grams of asprin were lost in the washing process you used to purify your product, assuming you used 50mL if water for washing? The solubility of asprin in water is 0.33g per 100mL at room temperature.
Identify the compound: molecular mass 113; gives a positive hydroxamate test, which indicates the presence of either an acyl chloride or an ester
An inflated balloon has a volume of 0.55 L at sea level (1 atm) and is allowed to rise to a height of 6.6 km, where the pressure is about 0.40 atm.
In terms of acids and basis, etc., Explain what type of person's is Na3His? Compute the Ph of a 1.045 M Na3 His solution.
What volume will it occupy at each of the following temperatures if the pressure and number of moles are constant
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