What is the ph at the points in the titration

Assignment Help Chemistry
Reference no: EM13329242

Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places. Enter scientific notation as 1.23E4. (a) When 11.50 mL of 0.470 M HNO3 have been added. (b) When 65.00 mL of 0.470 M HNO3 have been added.

Reference no: EM13329242

Questions Cloud

Evaluate depreciation expense on the machine : The cost of equipment purchased by Charleston, Inc., on June 1, 2010 is $89,000. It is estimated that the machine will have a $5,000 salvage value at the end of its service life - Compute depreciation expense on the machine for the year ending Dec..
Project integration : Project Integration
The only variable input a janitorial service firm uses to : The only variable input a janitorial service firm uses to clean offices is workers who are paid a wage, w, of $8 per hour. Each worker can clean four offices in an hour. Determine the variable cost, average variable cost, and the marginal cost of cle..
What is the firm marginal cost at 500 tacos : Taco Bell gives free tacos from 2 - 5pm. Suppose they make 500 tacos per hour and total costs are $1000. Assume the firm is operating at minimum costs.
What is the ph at the points in the titration : Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places.
Arise in u.s. inflation causes many u.s. residents to buy : Arise in U.S. inflation causes many U.S. residents to buy gold, which is a major South African export good, as a hedge against inflation.
Can you name any industries where the government sets price : If the government steps in to regulate a market, setting a price floor above the free market equilibrium price, will demand increase or decrease compared to the free marker equilibrium? Can you name any industries where the government sets price floo..
Determine what is the present value of all future payments : Kelly Greene has a contract in which she will receive the following payments for the next five years: $4,000, $5,000, $6,000, $7,000 and $8,000. She will then receive an annuity of $10,000 a year from the end of the 6th through the end of the 15th..
What is ha is a weak monoprotic acid : If 67.0 mL of 0.119 mol/L NaOH(aq) and 35.0 mL of 0.193 mol/L HA(aq) are mixed, then what is [HA] at equilibrium? Assume that HA is a weak monoprotic acid with pKa=6.23 at 25oC

Reviews

Write a Review

Chemistry Questions & Answers

  What is the final pressure in the reaction flask

2A(g) + 3B(g) → A2B3(g) If 0.5 atm of gas A is mixed in an evacuated reaction flask with 1.0 atm of gas B, what is the final pressure in the reaction flask? (assume that the reaction goes to completion)

  Write a balanced molecular equation to represent

write a balanced molecular equation to represent the neutralization between NaOH and Molybdic acid.

  Find out a concentration of the original hbr stock solution

Given that the concentration of the most dilute solution is 2.57*10 \(-6\) M. Determine the concentration of the original HBr stock solution

  State the container as a function of temperature

A mass of G grams of a liquid are placed in a closed 15 liter, fixed-wall container. The molecular weight of the liquid is 18 g mol-1. Its molar heat of vaporization is 44 kJ mol-1. Its normal boiling point is 373 K. A scientist measures the press..

  Calculate the percent dissociation of the acid

A .10M solution of the weak acid HCN has an equilibrium constant of 4.9 X 10^-10. Calculate the percent dissociation of the acid

  Use the standard enthalpy change of formation data

Use the standard enthalpy change of formation data to calculate the standard enthalpy change of combustion of C5H12O.

  Explain the mole fraction of oxygen in the atmosphere

The mole fraction of oxygen in the atmosphere is .21. If the barometric pressure is 0.975 atm, what is the concentration of oxygen in water? Kh=1.3 x10^-3 M/atm

  What is the empirical formula of aluminum oxide

If 5.0 g of Al reacts with 4.45 g of O2, what is the empirical formula of aluminum oxide? (Type your answer using the format CO2 for CO2.)

  Calculate the mass of ki in grams required

Calculate the mass of KI in grams required to prepare 5.00x10^ 2mL of 3.2 M solution.

  State the competing equilibrium that will occur

Write the competing equilibrium that will occur when a strong acid is added to the following equilibrium: Ca2+(aq) + C2O4 2-(aq) equlibrium CaC2O4(aq)

  Describe the concentrations of in the half-cells

A rechargeable battery is constructed based on a concentration cell constructed of two half-cells. The volume of each half-cell is 2.1 and the concentrations of in the half-cells are 1.30 and 1.2×10?3.

  State the determination of the structure of a new compound

To the organic chemist, mass spectrometry is especially useful in the determination of the structure of a new compound because it provides information about

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