Explain the new ph if you add 15 ml more of the naoh

Assignment Help Chemistry
Reference no: EM13541823

What is the pH of a solution prepared by mixing 50 ml of a .01055 M solution of lactic acid with 30 ml of a .0125 M NaOH? ka for lactic acid = 1.4E-4

What is the new pH if you add 15 ml more of the NaOH to the above solution?

Reference no: EM13541823

Questions Cloud

Depict a mechanism for the reaction : Draw a mechanism for this reaction. All compounds involved in each stage of the mechanism must be enclosed in a box, and each box must be connected to the next one with a straight arrow. Use electron-flow (curved) arrows to show the movement of el..
State buffer solution what is the ph of this buffer solution : If it is a buffer solution what is the pH of this buffer solution. how many mil of 1.5 M HCl can be added to this solution before the buffer is exhausted. how many ml of 1.5 M NaOH can be added to this solution before the buffer is exhausted
Calculate what minimum diameter is required for the wire : A steel wire of length 1.92 with circular cross section must stretch no more than 0.300 when a tensile (stretching) force of 410 is applied to each end of the wire. What minimum diameter is required for the wire
Determine the period and amplitude of the motion : In an engine, a piston oscillates with simple harmonic motion so that its position varies according to the expression, x = 4.00 cos (t +?/5), Find the period and amplitude of the motion
Explain the new ph if you add 15 ml more of the naoh : What is the pH of a solution prepared by mixing 50 ml of a .01055 M solution of lactic acid with 30 ml of a .0125 M NaOH. ka for lactic acid = 1.4E-4. What is the new pH if you add 15 ml more of the NaOH to the above solution
Evaluate the efficiency of the engine : A carnot engine operates between asource temerature of 700 degrees celsius and a sink temperatiure of 20 degrees celsius. determine the efficiency of the engine
Determine what was the muzzle speed of the gun : a gun has a spring constant of 10N/cm. when the gun is inclined upward by 30 degree to the horizontal a 10 g ball is shot to the height of 2 m above the muzzle of the gun
Explain a sample of 225 g of silicon tetrachoride is reacted : A sample of 225 g of silicon tetrachoride is reacted with an excess (more than necessary) amout of Mg. How many moles of Si are produced
What magnetic field should be used in the second generator : One generator uses a magnetic field of 0.15 T and has a coil area per turn of 0.045 m2. What magnetic field should be used in the second generator

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what is the entropy associated with an outcome

With two dice, each numbered 1-6, there are two possible ways to roll a 3: Thus, for the outcome of 3 (a particular macrostate) there are 2 microstates. How many possible ways are there to roll a 6? What is the entropy associated with an outcome o..

  What is the final concentration

53.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139-mL portion of that solution is diluted using 189 mL of water.

  Explain pb is oxidized in the lead-acid battery

suppose that a cars starter draws 225A of current for 6.3 s to start the car. what mass of Pb is oxidized in the lead-acid battery to supply the electricity?(in grams)

  Define the values of macroscopic measurements

Deal gases can be defined in terms of microscopic assumptions, assumptions about the values of macroscopic measurements or an equation of state

  Define electrophilic aromatic substitution reactions

Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can activate or deactivate the ring to substitution, donate or withdraw electrons inductively

  What is the molar concentration of the ammonia

If 18.4 mL of 0.800 M~rm HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?

  How many moles of excess reagent are unreacted

A 500-g sample of Al2(SO4)3 is reacted with 450 g of Ca(OH)2. A total of 596 g of CaSO4 is produced. What is the limiting reagent in this reaction, and how many moles of excess reagent are unreacted?

  Define prions are smaller than viruses

1) Prions are smaller than viruses, which are affected by radiation. 2) Prions do not contain genetic information, which is affected by ionizing radiation.

  How many non-bonding valence electrons are there

How many non-bonding valence electrons are there in a molecule of fumaric acid?

  Compute the mass percentage of sodium chloride

sodium chloride dissolved in 225 g of water has a density of 1.98g/ml. Calculate the mass percentage of sodium chloride

  When a monosaccharide reacts to give the pyranose

When a monosaccharide reacts to give the pyranose form from its open-chain form, how many distinct pyranose forms are possible?

  What is the molar mass

2.00 moles of a gas occupies 62.2 L at a par- ticular temperature and pressure. Its density is 0.900 g/L. What is the molar mass?

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