How to calculate the ph of a buffer that is 0.058 m hf

Assignment Help Chemistry

Reference no: EM13514975

1. You wish to prepare an HC2H3O2 buffer with a pH of 5.44. If the pKa of this is 4.74, what ratio of C2H3O2-/HC2H3O2 must you use?

2. Calculate the pH of a buffer that is 0.058 M HF and 0.058 M LiF. The Ka for HF is 3.5 x 10^-4

3. Calculate the pH of a buffer that is 0.158 M HClO and 0.099 M NaClO. The Ka for HClO is 2.9 x 10^-8.

4. Calculate the pH of a buffer that is 0.105 M HC2H3O2 and 0.146 M KC2H3O2. The Ka for HC2H3O2 is 1.8 x 10^-5

Reference no: EM13514975

Questions Cloud

How would you determine the density of the paper : How would you determine the density of the paper that you use in a photocopy machine and computer printer, given the fact that a single 8.5[in] by 11[in] sheet has a thickness that is too small to directly measure with a ruler

What was the noncontrolling interest share : What was the noncontrolling interest's share of Sparis' net income for 2011?

Define how many grams of methane must be combusted : How many grams of methane must be combusted to heat 1.15 of water from 26.0 to 89.0, assuming as a product and 100% efficiency in heat transfer

Determine what was the mass of the ice cube : A cube of ice is taken from the freezer at -7.7°C and placed in a99g aluminum calorimeter filled with297g of water at room temperature of 20°C. What was the mass of the ice cube

How to calculate the ph of a buffer that is 0.058 m hf : Calculate the pH of a buffer that is 0.058 M HF and 0.058 M LiF. The Ka for HF is 3.5 x 10^-4. Calculate the pH of a buffer that is 0.158 M HClO and 0.099 M NaClO. The Ka for HClO is 2.9 x 10^-8.

What is the approximate edge size of the square area : A typical car weighs about 3500 lb. what is the approximate edge size of the square area with which each tire contacts the ground

Calculate the effective coefficient of kinetic friction : A potter's wheel -- a thick stone disk of radius 0.500 m and mass 110 kg -- is freely rotating at 50.0 rev/min. Find the effective coefficient of kinetic friction between the wheel and the rag

Define solid form of the two elements practically identical : Why are the Kr---Kr and intermolecular Br---Br distances in the solid form of the two elements practically identical. How would you expect the Br---Br distances in solid CBr4 to be related to the above distances

Describe the contributions of ethnolinguistics : Ethnolinguistics studies "the relationships between language and culture and how they mutually influence and inform each other"

User Account

All Pages