State naoh solution are needed to make of buffer of ph

Assignment Help Chemistry
Reference no: EM13190015

a) How many mL of each of 0.10 M lactic acid solution and 0.10 M NaOH solution are needed to make 800 mL of a buffer of pH 3.50?

b) If 0.10 g of NaOH were added to the buffer in question 7, above, what would be the new pH?

c) If 0.15 g of HCl were added to the buffer in question 7, above, what would be the new pH?

Reference no: EM13190015

Questions Cloud

Explain what amount of air is added to the fuel mixture : What is the theoretical amount of oxygen required for the fuel mixture? What amount of air is added to the fuel mixture?
What causes the value of the u.s. dollar to rise or fall : What are freely floating exchange rates all about, and how do they work How can the falling U.S. dollar impact your travel expenses Why would a cheap dollar relative to other nations' currencies be good or bad for U.S. trade
Moving average forecast : If responsiveness to recent data is important to the forecaster, then the number of periods used in a moving average forecast
Automobile oil change : A one-person automobile oil change in rural Mississippi has a fixed overhead of $900.00 per month. The variable cost per oil change $10.00. The charge is $30.00 for one oil change. If the owner/worker Joe Smith desires to have a contribution per mont..
State naoh solution are needed to make of buffer of ph : How many mL of each of 0.10 M lactic acid solution and 0.10 M NaOH solution are needed to make 800 mL of a buffer of pH 3.50?
Breakeven volume of production : A one-machine shop producing bolts has a fixed cost of $2,000.00 and a variable cost of $2.00 per bolt. The selling price is $6.00 per unit. The breakeven volume of production is
How many of each type of coin does he have : Septimus has 58 coins in nickels, dimes and quarters. The number of nickels is three less than twice the number of dimes. The total value of the coins is $7.40. How many of each type of coin does he have?
An abnormality in or mutation of a gene may produce : An abnormality in or mutation of a gene may produce which of the following?
Explain mercury perchlorate is allowed to react completely : If a solution containing 60.998 g of mercury(II) perchlorate is allowed to react completely with a solution containing 10.872 g of sodium sulfide, how many grams of solid precipitate will be formed?

Reviews

Write a Review

Chemistry Questions & Answers

  How much does the rate of the reaction increase

An enzyme reduces the activation energy of a reaction at the temperature of 25 degree celsius from 55 kjmol-1 to 15kJ mol-1 by changing the route of the reaction.

  State the micronutrient calcium is often applied

the micronutrient calcium is often applied in the form of calcium (II) sulfate. Write the equation for the formation of calcium (II) sulfate from calcium (II) oxide and an appropriate acid.

  Calculate work done when the gas expands isothermally

a sample of methane of mass 4.5 g (4.5g(1mol/16.04g)=.2804mol) occupies 12.7 L at 310K. a) Calculate work done when the gas expands isothermally (delta T=0) against a constant external.

  Compute the molar solubility of nioh2

A) Calculate the molar solubility of Ni(OH)2 when buffered at pH=8.0 B) Calculate the molar solubility of Ni(OH)2 when buffered at pH=10.0 C)

  What is the rate of appearance of c

For the reaction 2A + B --> 2C, if B is initially 4.0M and 2min later is 3.0M, what is the rate of appearance of C?

  What is the ph of a sodium acetate solution

What is the pH of a sodium acetate solution prepared by adding 0.820 grams of sodium acetate to 100.0 ml of water at 25.0 oC? The Ka at 25.0 oC for acetic acid is 1.8 × 10-5.

  What is the volume of the balloon

If I have 7.0 moles of gas at a pressure of 0.10 atm and at a temperature of 50.1 degrees C in a balloon, what is the volume of the balloon? (Round to one decimal place.)

  Explain volumetric transfer pipette

a solution of 1 ppm Pb2+was prepared and dispensed 1 mL of it using a volumetric transfer pipette, also the same solution was dispensed using a measuring (Mohr) pipette.

  What is the atomic mass of this element

Isotope 1 has a mass of 120.9038 amu and a relative abundance of 57.4%, and isotope 2 has a mass of 122.9041 amu. What is the atomic mass of this element?

  Which h atom transition responsible for photon emission

Determine which H atom transition (ninitial,nfinal) was responsible for the emission of a photon with a frequency of 6.91 x 1014 Hz.

  What is the percentage chlorine by mass in the organic

What is the percentage chlorine by mass in the organic compound?" and got an answer of 37.1% Cl, which im pretty sure is right.

  Determine how do you find out the new freezing point

Determine how do you find out the new freezing point of a solution if  given the formula is Delta T = m x kf x i but how do you find it how does it work?

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