Explain how many grams of koh must be added to buffer

Assignment Help Chemistry
Reference no: EM13503051

a. Find the pH.
b. How many grams of KOH must be added to 0.500 L of the buffer to change the pH by 0.10 units?

Reference no: EM13503051

Questions Cloud

Explain the most efficient per unit mass for melting snow : If cost per gram were not a concern, which of the following substances would be the most efficient per unit mass for melting snow from sidewalks and roads. Explain.
Delayed realization that a child cannor hear : How early do parents usually figure out if their children are deaf? In what ways does a deaf child born to speaking parents acquire language differently from hearing children and can this difference be compounded by a delayed realization that a child..
Calculate the speed of sound in the air : When a tuning fork of frequency 360 Hz is held above a tube filled with water the resonances are found when the water level is at 25cm and 75cm
What is the specific heat of the object : To determine the specific heat of an object, a student heats it to 100 degrees C in boiling water. If the final temperature is 23.8 degrees, what is the specific heat of the object
Explain how many grams of koh must be added to buffer : How many grams of KOH must be added to 0.500 L of the buffer to change the pH by 0.10 units
Conditioned response and conditioned suppression : The concepts associated with Pavlov include conditioned response and conditioned suppression. What are these concepts? How can they be applied to a real-life situation?
Explain what was the ph of the original hno3 solution : 170 mL of an HCl solution with pH of 2.30 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution
Find the frequency of the fundamental on this string : A string 1.9 m long with a mass of 2.6 g is stretched between two fixed points with a tension of 80 N. Find the frequency of the fundamental on this string
Find the frequency of string fundamental mode of vibration : A piano tuner stretches a steel piano wire with a tension of 765 N. The steel wire has a length of 0.900 m and a mass of 6.75 g. What is the frequency of the string's fundamental mode of vibration

Reviews

Write a Review

Chemistry Questions & Answers

  Explain structure of major compound formed from

Structure of major compound formed from: alpha-D-methoxyglucopyranose + TBDPS-Cl/AgNO3

  Calculate the molality of methanol in a solution

Calculate the molality of methanol in a solution prepared by dissolving 75.0 mL methanol, CH3OH (density = 0.791 g/mL), in 150 g ethanol.

  Explain what is the specific heat of the lead pellet

The water temperature rose from 22.50ºC to 23.17ºC. What is the specific heat of the lead pellet? (The specific heat of water is 4.184 J/gºC, and the density of water is 1.00 g/mL.)

  Define the density of aqueous nitric acid

The density of 70.4 wt% aqueous nitric acid, HNO3, is 1.41 g/ml. 1. How many grams of solution are in 1.500 L?

  How many kilojoules of heat are required

How many kilojoules of heat are required to melt a 10.0-g popsicle at 0 C? Assume the popsicle has the same molar mass and heat of fusion as water.

  Defien the equilibrium constant kc

The equilibrium constant Kc equals 1.6 10-2 at 200°C. What are the moles of substances in the equilibrium mixture at 200°C if we start with 0.021 mol HBr in a 1.3-L vessel?

  Explain what is the pka for this acid

The pH of a 0.010 mol L-1 solution of a weak monoprotic acid is 2.09 at 25oC. What is the pKa for this acid

  What mass of potassium bromide residue remains

What mass of potassium bromide residue remains if 500.0 mL of 0.200 M potassium bromide solution are evaporated to dryness?

  Evaluate the energy change in j for 1 gmol of h2o

Calculate the energy change, in J, for 1 gmol of H2O 1) 0 to 100km/h 2) 0 to 100m 3) at 100'C from 0.1 bar to 1 bar 4) at 5bar from 0 to 100'C 5) Dissociating to H2 and O2 at 25'C

  State chemical reaction in which the atoms of the reactants

A chemical reaction in which the atoms of the reactants undergo a change in the oxidation state is called a redox reaction. Such involve both oxidation (increase in oxidation state) and reduction

  Explain what was the initial temperature of the metal

Exactly 313.5J of heat energy will raise the temperature of 10.0 g of a metal to 60.0 C. IF the specific heat of the metal is 0.896J/gC, what was the initial temperature of the Metal

  State the mole fraction of kr if the partial pressure

What is the mole fraction of Kr if the partial pressure of Xe and Ar are 1.60 atm and 2.8 atm, respectively?

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