User Account

All Pages

What is the ph

Assignment Help Chemistry
Reference no: EM13119873

A buffer that contains 0.55 M base, B, and 0.30 M of its conjugate acid, BH+, has a pH of 8.94. What is the pH after 0.0020 mol HCl is added to 0.25 L of this solution?

Reference no: EM13119873

Questions Cloud

What is the ph : What is the pH when 100 mL of 0.1 M NH3 is titrated with 50 mL of 0.2 M HCl? pKa of NH4Br is 9.25.
Find out the ratio of the mass of steam to the mass of ice : Ignoring the container and the equilibrium vapor pressure of the liquid at 51.5 °C, find out the ratio of the mass of steam to the mass of ice. The specific heat capacity of steam is 2020 J/(kg C°).
Calculate the equalibrium concentrations of h+ : A solution is made by mixing 500 mL of .121 M NaOH with 500 mL of .1 M CH3COOH. Calculate the equalibrium concentrations of H+. CH3COOH, CH3COO-, OH- and Na+
Illustrate what is the average induced emf in the coil : During the course of 0.130 s, the field is changed to one of 0.300 T pointing down. Illustrate what is the average induced emf in the coil?
What is the ph : A buffer that contains 0.55 M base, B, and 0.30 M of its conjugate acid, BH+, has a pH of 8.94. What is the pH after 0.0020 mol HCl is added to 0.25 L of this solution.
Explain how hard would she have to push : If the coefficient of friction between the book and the wall is .35, explain how hard would she have to push in order to allow the book to slide down at constant speed?
Illustrtes the impact of diversification : illustrtes the impact of diversification. ignores the probability distribution of cash flows. can only measure one outcome at a time
Illustrate what are magnitude-direction of its acceleration : The force of the wind on the sails of a sailboat is 300 N north. The water exerts a force of 210 N east. If the boat (including crew) has a mass of 310 kg, illustrate what are the magnitude and direction of its acceleration?
Whoso list to hunt : Select a poem 'Whoso list to hunt' and one work of fantasy literature from two different cultural traditions.

Reviews

Write a Review

Chemistry Questions & Answers

  What is the mass of the solid ammonium chloride formed

What is the mass of the solid NH4Cl formed when 73.0 g of NH3 are mixed with an equal mass of HCl? What is the volume of the gas remaining, measured at 14.0° C and 752 mmHg?

  What is the equilibrium partial pressure of the n2o4

A rigid flask is initially filled with 4.00 atm of NO2(g) and no N2O4(g) at 100 C. After equilibrium is achieved, the pressure of NO2 is 1.56 atm.

  Compute the number of grams of na

The volume of the gas is measured 201 mL at .989 atm. compute the number of grams of Na used in the reaction if Vapor pressure of water = 0.0277 atm

  Determine the molar mass of this yellow solid

If a  nonvolatile, yellow crystalline solid sample of 0.351 g is dissolved in benzene (C 6 H 6 ) of 15.8 g formed a solution. this solution freezes at the temperature of 4.77 degree celsius.

  How many grams of calcium chloride will you need

If you want to make 250 ml .100 M calcium chloride solution, how many grams of CaCl2 will you need.

  How much energy is required to heat the ice

You have a 48.9 g sample of water at the temperature of -60.0 degrees celcius. How much energy is required to: a) heat the ice to 0 degrees celcius

  What is the ph of a buffer solution

What is the pH of a buffer solution if 100.0 mL of the solution is 0.15 M with respect to acetic acid and contains 1.56 g of sodium acetate, CH3COONa.

  Determine what is voltage for electrochemical cell

Using the given reduction potential determine what is the voltage for these given electrochemical cell

  Significant figures for each of the values

Find out the exact significant figures for each of the values - Indicate the number of significant figures

  Determine the heat of combustion per gram

Determine the heat of combustion per gram of octane and the heat of combustion per mole of octane?

  Calculate the total mass of sodium chloride

If the volume of ocean water (calculated above) contains 3.7 percent sodium chloride ("salt") by mass and the density of the water is 1.41 g/mL.

  Calculate what will be the amount of heat

Calculate what will be the amount of heat, q, absorbed by the calorimeter apparatus  also express your answer in  kJ? (heat capacity = 2.677 x 103 J/K)

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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