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Acetic acid, CH3COOH, is a typical weak acid. It is an ingredient in vinegar. a. Acetic acid partially ionizes in water. Write a balanced chemical reaction for the dissociation of acetic acid into its conjugate base and hydrogen ion. b. Write an expression for the equilibrium constant for acetic acid. c. The equilibrium concentrations are [CH3COOH] = 0.15M, [CH3COOH] = 0.15M, and [CH3COO-] = 1.63mM. What is the equilibrium constant of ionization, KA? d. Calculate the pKA of acetic acid.
Place the members of the following groups in order of decreasing priority according to R-S convention: -COOH, -OCH3, -CH(CH3)2, -CH3
How will you prepare isopropanol and acetic acid from CH3MgBr?
what is the formula of the complex ion formed between water, the ligand, and Cu^2+, Co^3+, Ni^2+
The carbonyl compound which is attached with at least one H atom at one side is called as_____?
for the
production of 1 mole of M at a pressure of 1 atm from A at a pressure of 20 atm and predict the
nature of the reaction under this condition�
(a) Chlorophyll the green colouring matter of plants contains 2.71% of
magnesium by mass. Calculate the number of magnesium atoms in
3.50 g of chlorophyll. [2.5]
(b) Commercially available aq.Conc.HCl is 38% by mass. Calculate the
molarity of solution.(d=1.19 g/ml). What volume of conc. HCl is
required to make 1L of 0.10 M HCl ? [2.5]
Question – 10
(a) 1.18 g of a mixture of Na2CO3 & K2SO4 is present in 250 ml aqueous
solution. 25 ml of this solution is completely neutralized by 20 ml of
0.05 M H2SO4. Calculate the percentage composition of the
mixture. [2.5]
(b) 4.15 g of an acid are dissolved in water and volume of solution is
made 500 ml by adding water . 20 ml of this solution require 20 ml
of N/10 NaOH solution . If the acid is dibasic, calculate the molar
mass of acid.
boron occurs in nature in the form of two isotopes having atomic mass 10 and 11. what are the precentage abundances of two isotopes in a sample of boron haqving atomic mass 10.8
#340153 on Dec 2023