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1. Write the hydrolysis reaction for pyridine. identify and define the Bronsted-Lowry acid and base.
2. Why is water considered a Bronsted-Lowry base in the reaction between water and HCI?
3.Define pH and explain how it is related to pOH.
4. The measured pH of the H2SO4 solution in water is 1.8. Calculate the volume of water needed to add to 1.00 L of this solution to increase the pH to 2.55 (The pH scale problem)
5. Determine the concentrations of the hydronium ion in pure water at 50 C if the ion-product of water at 50 C is 3.0x 10^13 ( the acid base properties of water problem )
50 ml of an alkaline water sample requires 3.7 ml of 0.02 N HCL upto phenolphthalein end point and 4.8 ml of complete Neutralization. Find the type and amount of alkalinity in water sample.
If the true value for % K2CO3 in the sample is 90.00% , what is the average %Error?
50 ml of an alkaline water sample requires 3.7 ml of 0.02 N HCL upto phenolphthalein end point and 4.5 ml of complete Neutralization. Find the type and amount of alkalinity in water sample.
1.How much heat is absorbed by liquid water that weighs 550 grams as it is heated from 25℃ to 95℃ ?
if the hydrogen ion concentration is 4.7 x 10-8 what is the ph
What is the molarity of a 10 L solution that contains 3.5 moles of potassium chloride solution?
An acid solution contains 18 kg of water and pure hydrochloric acid (HCl) , Its concentration is 0.60 mol/kg of solvent. Compute for the number of moles of solute contained in the solution.
What is the mole fraction of sodium chloride and water in a solution, prepared by mixing 256 g of sodium chloride and 176 g water? (Na=23g/mol Cl= 35g/mol H=1g/mol o=16g/mol)
Express the concentration of solution in % w/v containing 12 g sodium chloride and 50 ml of water
