By how much would the ph change

Assignment Help Chemistry
Reference no: EM13167227

Consider a solution of a weak acid at a pH equal to its pKa. By how much would the pH change, and in which direction, if we added to this solution enough base to neutralize 10% of the total acid?

Answer
0.18, lower
0.10, higher
0.10, lower
0.40, higher
0.18, higher

Reference no: EM13167227

Questions Cloud

Calculate the freezing point of the solution : A solution is prepared by condensing a 4.00L of a gas at 27 degress and 748 mmHG pressure into 58g of benzene. calculate the freezing point of the solution.
What is the density of the plastic : A rectangular block of plastic, measuring 1.34 cm by 2.27 cm by 1.39 cm, floats in the middle of the Pacific Ocean. The volume of sea water displaced by the plastic block is 3.35 cm3. Assuming the density of the sea water is 1.025 g/mL, what is th..
Calculate the minimum number of grams of c3h8 : calculate the minimum number of grams of C3H8(g) that must be combusted to provide the energy necessary to convert 1.61 kg of H2O from its solid form at -10.0°C to its liquid form at 80.0°C.
Explain the half life of iodine : The half life of Iodine-131 is 8.0252 days. If 14.2 grams of I-131 is released in Japan and takes 31.8 days to travel across the Pacific
By how much would the ph change : Consider a solution of a weak acid at a pH equal to its pKa. By how much would the pH change, and in which direction, if we added to this solution enough base to neutralize 10% of the total acid?
Which of the following will not have ionic bonds : Which of the following will not have ionic bonds?
State what is the percent h2so4 for a solution : what is the percent h2so4 for a solution consisting of 4.62 equivalencies of h2so4 mixed
Economic development within a rural canadian community : Propose a social enterprise that will contribute to local economic development within a rural Canadian community that pays homage to a local product, craft or service.
Methodological approaches to sociology : What is the link between the three methodological approaches to sociology and the three theoretical approaches?

Reviews

Write a Review

Chemistry Questions & Answers

  Determine total pressure of the mixture

Determine the partial pressure and the total pressure using Dalton's law of partial pressures - Determine the total pressure of the mixture.

  Estimate the total calories in a slice of bread

Estimate the total calories in a slice of bread that has 9.0 g of carbohydrates, 2.0 g of protein, and 1.0 g of fat. What percentage of total calories is from fat?

  Explain what is the buffer component ratio

What is the buffer component ratio, ([CH3COO-]/[CH3COOH]) of an acetate buffer

  Calculate the ph

A 75.0-mL volume of 0.200 M NH3(Kb=1.8*10^-5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 25.0 mL of HNO3.

  Explain what volume does the beaker hold

What volume does the beaker hold? Use d =1.00 g/mL as the density of water answer in mL B)How much would the beaker and its contents weigh if it was completely filled with mercury?

  Compute the difference in ph when naclo is added

Calculate the difference in pH when 4.01 g of NaClO is added to 364.8 mL of 0.50 M HClO. Ignore any changes in volume.

  How many milliliters of .1229 m naoh are needed

how many milliliters of .1229 M NaOH are needed to completely neutralize 50.00mL of .1012M H2SO4 solution

  How many excess electrons has it acquired

if your body develops a charge of -20 (microcoulombs), how many excess electrons has it acquired?

  Explain double-displacement reaction

NO2 then interacts withUV light according to the following reaction. Classify this reaction as a synthesis, decomposition, single-displacement, or double-displacement reaction.

  How much water must be added

How much water must be added to 562 mL of 0.200 M HCl to produce a 0.148 M solution? (Assume that the volumes are additive.)

  Liquids have very weak attractive forces holding together

A. Liquids have very strong attractive forces holding them together B. Liquids have moderately strong attractive forces holding them together C. Liquids have very weak attractive forces holding them together.

  Explain what is the volume change

what is the volume change when 2 kg of water at 6.8 MPa and 93 Celsius expands to 1.6 bar

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