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A saturated solution of magnesium hydroxide (Mg(OH)2) in equilibrium with undissolved solid is prepared at 25 degree celcius. The pH of the solution is 11.03. Calculate the value of the Ksp
The polarogram for 20ml of solution that was 3.65*10^-3 in Cd2+ gave a wave for that ion with a diffusion current of 31.3µA . calculate the percentage in change in concentration of the solution
7.39 mmol of base was used when titrating 432 mg of a monoamine monocarboxylic amino acid from pH 0.8 to 12.0. What is the name of the amino acid
what is the molality of a solution of 10g benzophenone and 1mL of cyclohexanone
considering the given equations 3cuso4 2fe --gt 3 cu fe2so43 determine the limiting reactant and the numbers of moles
In the complex ion [ML6]n+, Mn+ has seven d electrons and L is a weak field ligand. According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons?
starting with 1.342 g Zn and excess HCL, the volume of H2 gas collected was 472 mL. the atmospheric pressure was 754 mmHg and the temperature was 21 degrees C. write a balanced equation and calculate the moles of h2 produced by the reaction.
a 250.0ml sample of air at 100.0k is warmed to 200.0k at constant pressure. what is the volume of the air sample at the new temperature?
The following reaction is used in the haber bosch process for the synthesis of ammonia N2(g)+3H2(g)->2NH3 If the initial rate of appearance of NH3 is 0.625Ms^-1 calculate the initial rate of disappearance (in Ms^-1) of H2
what volume of 0.200 m hno3 is needed to titrate 38.7 ml of 0.175 m naoh? 2 if 42.5l of 0.45 m hcl is titrated with
Without doing detailed calculation, arrange the following 0.10 M aqueous solutions in order of increasing pH. Explain your ordering.
what is the molarity of a solution that contains 5.2g urea (molecular weight = 60 amu) in 250g of benzene?
The free radical chlorination of isobutane at 25C yields 64% isobutyl chloride and 36% tert-butyl chloride. However, free radical bromination of the same compound at 127C yields only trace amounts of isobutyl bromide and 99% of tert-butyl bromide
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