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Calculate the pH when 8.14 g of NaClO is added to 445.5 mL of 0.50 M HClO. Ignore any changes in volume. The Ka value for HClO is 3.0 x 10^-8
Calculate the theoretical amount of 2.5 M NaOH (10%) solution needed to convert the benzoic acid to its water-soluble salt. Is the combined volume of NaOH used in the extractions sufficient for complete deprotonation of benzoic acid
How much heat will be released if 1M and 100ml of NAOH solution reacted with 1M and 100ml of HCl solution
The initial rate of a reaction 2A + 3B -> C + 2D was measured using different initial concentrations of A and B. Calculate the value of k
What would be the wavelength of a photon that would be able to break the Cl-Cl bond in Cl2. The bond energy in Cl2 is 243 kJ/mol.
Gas chromatography. Answer the following questions about retention times of the following compounds. Given naphthalene (boiling point = 218 degrees C), phenol (boiling point =181.7 degrees C), and toluene (boiling poit = 110.6 degrees C). A) List ..
If the reaction 2H2S(g) 2H2(g) + S2(g) is carried out at 1065C, Kp = 0.0120. What is the value of Kc for the reaction H2(g)+1/2S2(g) H2S(g) at 1065C ?
In a typical mass spectrum, a smaller signal is observed at a mass 1 amu higher than the molecular ion peak. Why? A) Due to small impurities in the sample
For each solution, determine the number of moles of HAn and of An- ion at equilibrium. For each solution, caluate the HAn and An- ion molar equilibrium concentrations. Determine the reciprocal of the An- ion concentration for each solution.
A solution is made by combining 500ml of .10M HF with 300ml of .15M NaF. What is the pH of the solution? (Ka=7.2e-4 for HF)
calculate the grams of magnesium oxide that can be formed from decomposition
Using a sample of 0.0355 gram of an unknown molecular compound is dissolved in 1.000 g of liquid camphor at 200.0°C. Calculate the molar mass of the unknown compound if the camphor freezes at 157.7°C upon cooling.
Calculate the Ka value of a 0.2 M solution of the monoprotic acid, propionic acid, CH3CH2CO2H. The measured pH is 2.44.
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