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Calculate the pH of the solution when 20.00 mL of 0.10 M CH3CO2H (Ka= 1.76 x 10^-5) has been titrated with 20.00 mL of 0.10 M NaOH.
a saturated solution of bariumchloride at 30C contains 150g water. how much additional barium chloride can be dissolved by heating
How many kilojoules of heat are absorbed when 7.20g of MgO(s) is decomposed into Mg(s) and O2 (g) at constant pressure?
demonstrate that an excess of hydrogen peroxide was used in the oxidation step of Fe(II) to Fe(III)
calculate te single ion actvity coefficients for Cs^+, Cd^2+, Al^3+ and dissolved H2CO3 s a function of ionic strength
Calculate the pH of each of the following buffered solutions. to 1.00 L of each of the four solutions. (a) 0.100 M propanoic acid (HC3H5O2, Ka= 1.3 10-5) (b) 0.100 M sodium propanoate (NaC3H5O2)
A 50.0 mL sample of 0.40 M benzoic acid, C6H5COOH, a weak monoprotic acid, is titrated with 0.48 M NaOH. Calculate the pH at the equivalence point. Ka of C6H5COOH = 6.5 10-5
What is the total number of moles of Ca needed to react completely with 4.0 moles of H2O?
How many moles of CF4 can be produced when 5.00 mol C react with 8.00 mol F2?
Calculate the pH for each of the following cases in the titration of .50 mL of .150 M hypochlorous acid, HCLO(aq)
What volume of the stock solution (Part A) would contain the number of moles present in the diluted solution (Part B)? but I cant get this one right can someome please help.
Aspirin (C9H8O4) is produced through the following reaction of salicylic acid (C7H6O3) and acetic anhydride (C4H6O3). C7H6O3(s) + C4H6O3-> C9H8O4(s) + HC2H3O2
How much energy would be absorbed as heat by 75 g of iron when heated from 295 K to 301 K? (Cp for iron=0.449 J/g*C)
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