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Question- A certain weak base has a Kb of 8.10 X 10^-7. What concentration of this base will produce a pH of 10.04?
I want to know how this is done please show all steps in detail
78 mL of 2.5 M phosphoric acid is neutralized with 500 mL of potassium hydroxide. What is the concentration of the base?
explain with revelant mechanism why sec-butly alcohol loses its optical activity in sulfuric acid but retains its
titrating an unknown weak acid you hope to identify. Your titrant is a 0.0935 mol/L NaOH solution, and the titration requires 21.8 mL to reach the equivalence point. How many moles of acid were in your sample?
The general molecular formula for alkanes is Cn H2n+2. Explain what is the general molecular formula for cycloalkanes
What are the atomic orbitals used in the double part of the double bond If the C-C axis of the given molecule is the y axis, and the x axis is up and down in the plane of the paper,?
Compute alkalinity in molar equivalents per kg (liter) of one mole of NaCl dissolved in 100 liters. Dissolved in CO2 free distilled water
A 120.0mL buffer solution is 0.105M in NH3 and 0.135M in NH4Br. What amount of HCl could this buffer neutralize before it fell below 9.0 pH
Splitting patterns and integrations may be used more than once, or not at all, as needed. Likewise, some bins might remain blank. Note that peak heights are arbitrary and do not indicate proton integrations.
In a volumetric analysis experiment, an acidic aqueous solution of methanol (CH3OH) is titrated with a solution of potassium dichromate (K2Cr2O7) according to the subsequent balanced chemical equation
what is the [H3O+] and the pH of a benzoic acid-benzoic buffer that consists of 0.15 M C6H5COOH and .47 M C6H5COONa? (Ka of benzoic acid = 6.3 * 10^-5)
2H+(aq) + 2Br-(aq) + CO2(g) BrO3-(aq) + 5Br-(aq) + 6H+(aq) Rate = k[Br2] Rate = k[BrO3-][Br-][H+]2 (4th order is RARE!) Exp. What is the rate law? What is the value of the rate constant? Why?
How much heat is absorbed when 5.53 mol of NH4NO3 solid is dissolved in water? (Heat of soluton = 25.7 kJ/mol)
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