Explain what is the final ph

Assignment Help Chemistry
Reference no: EM13169757

What is the final pH if .2 mol HCL is added to .5L of a buffer solution formulated using .28 M NH3 and .22 M NH4CL? Assume there is no change in volume upon addition of HCL. Kb(NH3)= 1.8e-5

Reference no: EM13169757

Questions Cloud

State anaerobic fermentation experiment : WHY did lactose produce mnCO2 in an anaerobic fermentation experiment? (Hint: lactase mechanism, how do sugar transporters work,
State the mixtures that constitute buffer solution : Choose only the mixtures that constitute buffer solutions. Can someone how i would determine this as well? 0.30 M HOCN mixed with 0.35 M NaNO3
Explain the above original buffer solution : If 10.00 mL of 0.250 M NaOH solution is added to 100.00 mL of the above original buffer solution (described in part 1 of this problem), what is the new pH of the solution?
What is the pressure inside the flask : if 6.oog of nitrogen gas is introduced into an evacuated 2.00L flask at 28*C, what is the pressure inside the flask?
Explain what is the final ph : What is the final pH if .2 mol HCL is added to .5L of a buffer solution formulated using .28 M NH3 and .22 M NH4CL?
What are the phosphorus percentages of the monohydrate : MgNH4PO4 6 H2O loses H2O stepwise as it is heated. Between 40 and 60 C the monohydrate is formed, and above 100 C the anhydrous material is formed. What are the phosphorus percentages of the monohydrate and the anhydrous material?
Calculate the ph of pure water : calculate the pH of pure water at 298 K and 403 K. Recall that pH is defined in terms of activity not concentration.
When h2 is added to the system referenced above : Using complete sentences, respond to questions 1-5 using the equation below. Be sure to explain your reasoning.
Which molecules has a zero dipole moment : Which one of the following molecules has a zero dipole moment? A. CO B. CH2Cl2 D. SO2 C. SO3 E. NH3 67. Indicate the type of hybrid orbitals used by the central atom in CCl4. A. sp B. sp2 C. sp3 D. sp3d E. sp3d2 68. What is the hybridization of th..

Reviews

Write a Review

Chemistry Questions & Answers

  What mass of water can be heated

Suppose that coal of density 1.5 g/cm3 is   pure carbon. (It is, in fact, much more com-   plicated, but this is a reasonable ?rst ap proximation.)

  Determine the enthalpy change

The enthalpy change for converting 10.0 g of ice at -25.0°C to water at 80.0°C is __________ kJ. The specific heats of ice, water, and steam are and respectively. For H2O, Hfus = 6.01 kJ/mol, and

  How many moles of co2 are produced

if a total of 702 mol of NaHCO3 and 2.4 mol of C6H8O7 react, how many moles of CO2 and Na3C6H5O7 will be produced?

  Explain what is the concentration of the nickel cation

nickel acetate in a volumetric flask and add water to a total volume of 375 mL What is the concentration of the nickel cation? What is the concentration of the acetate anion?

  How much energy (in calories) is needed

How much energy (in calories) is needed to heat 8.0 cm3 of fat from room temperature (25 c ) to its melting point (35 c )?

  What is the ph in 0.030 mol of solid naoh

A solution initially 0.100 M in HOCl and 0.300 M in NaOCl. What is the pH in 0.030 mol of solid NaOH is added to 1.00 L of this solution? Assume no volume channge.

  What is the ph of a solution

For H3PO4, a tripotic acid, Ka1 = 7.1 × 10-3, Ka2 = 6.3 × 10-8, and Ka3 = 4.5 × 10-13. What is the pH of a solution which contains 0.200 mol of K2HPO4 and 0.300 mol of Na3PO4 per liter of solution?

  What is the vapor pressure depression of a solution

The vapor pressure of pure water at 70°C is 240. mm Hg. What is the vapor pressure depression of a solution of 150. g of the antifreeze ethylene glycol, C2H6O2, a nonvolatile compound, in 215 g of water?

  Understanding the basics of thermal chemistry

Understanding the basics of thermal chemistry and The Second Law of Thermodynamics indicates that a system

  Calculate the molar mass of the biomolecule

A 2.30-g sample of a large biomolecule was dissolved in 16.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.

  How much heat is required

How much heat is required to raise the temperature of a 7.40-g sample of iron (specific heat = 0.450) from 25C to 79.8C?

  Calculate the current for diffusion-controlled electrolysis

Calculate how many atoms of potassium A three  mole sample of K2S would have and Calculate the current for diffusion-controlled electrolysis

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd