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Find the percent ionization of a 0.337 M HF solution. The Ka for HF is 3.5 × 10-4. What would you expect the percent ionization to be for the same concentration of hydrochloric acid (HCl)? Explain.
If 8686 C of charge is passed through molten magnesium chloride, calculate the number of moles of Mg(l) produced
Scientists can use mutants to study metabolic pathways. These organisms have a mutation in a gene encoding a metabolic pathway enzyme that results in the inactivation of that enzyme
Calculate the [CH3CO2H] ionized in solution for 0.1M acetic acid knowing that ph= 2.9 [H+]= 1.26 x 10^-3 M , [OH-]= 7.94 x 10^-12 M
If 2 x 10-4 moles of S2O82- in 50 mL solution are consumed in 188 seconds, what is the rate of consumption of S2O82-
Calculate the molar mass of a vapor that has a density of 6.735 g/L at 13°C and 825 torr.
One isotope has a mass of 44.0 amu and has a neutral abundace of 69.5% while the other isotope with the mass of 46.08 amu.
.134 mole of KCl and .212 mole of CaCl2 were dissolved in water, calculate total number of Cl ions in the solution
Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved. To find the mass of water use the density of water = 1.0 g/mL.
Lewis Structure and state which of the given compounds are isomers - There are three compounds are given as I. pentane , II. 2-methylbutane , III. 2,3-dimethylbutane , IV. 2,2-dimethylpropane V.
what is the pH of the mixture without considering the ionic strength effect? Sulfathiazole reacts in part with NaOH to give sodium sulfathiazole. The pKa of sulfathiazole is 7.12.
Considering the reaction: SO2Cl2(g) --> SO2(g) +Cl2(g) Kp=2.91 and temp = 298k. the partial pressure of SO2 is 137 torr and the partial pressure of Cl2 IS 285 torr. What is partial pressure of SO2Cl2?
in the titration of 25.00ml of 0.100M CH3COOH, calculate the number of milliliters of 0.200 M NaOH that must be added to reach a pH of a)3.85, b) 5.25,
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