What was the initial concentration

Assignment Help Chemistry
Reference no: EM131717436

Question 1: What volume (in mL) of a 0.175 M solution of Ca (OH) 2 should be used to neutralize 22.8 mL of a 0.353 M H3PO4 solution.

Question 2: 2.65 L of an aqueous solution of NaBr. An excess of AgNO3 is added. 9.39 g of AgBr (s) are formed. What was the initial concentration of Br- (in mol / L) in this aqueous solution of NaBr?

Question 3: What is the pH of a 0.114 M HA solution if the ionization constant (KA) of this acid is 0.30.

Reference no: EM131717436

Questions Cloud

Prepare the journal entries for the sagan co transactions : Nov. 28Purchased 2,000 shares of treasury stock for $9,000. Instructions Prepare the journal entries for the Sagan Co. transactions
Explain what is occurring when bleach reacts : Analysis of Bleach and Copper (II) Glycinate Explain what is occurring when bleach reacts with the thiosulfate.
Describe how blood circulates : Choose an object or a process with which you are reasonably familiar and describe it to the audiences.
Discuss behavior and attitudes attitude formation : Behavior and attitudes attitude formation, prejudice, stereotypes and discrimination,
What was the initial concentration : 2.65 L of an aqueous solution of NaBr. An excess of AgNO3 is added. 9.39 g of AgBr (s) are formed. What was the initial concentration of Br
Prepare a use-case description for each major use case : Prepare a use-case description for each major use case. Create a high-level requirements document which captures the major functions of the system.
Write a report that compares and contrasts clinical decision : Write a report that compares and contrasts clinical decision support systems used to support an area of healthcare of your choice.
Precipitate the carbonate ions : How would forgetting to precipitate the carbonate ions affect the perceived amount of CO2 given off by the leaves?
Estimate the current value of the bank stock : Suppose that a bank is expected to pay an annual dividend of S4 per share on its stock in the current period and dividends are expected to grow 5 percent.

Reviews

Write a Review

Chemistry Questions & Answers

  Find out the rate expression for the reaction

Given the initial rate data for the decomposition reaction, A = B + C, determine the rate expression for the reaction [A],M = .0625, 0939, .125; -changeA/changet M/s = 5.44 *10^-7, 8.16 * 10^-7, 1.09*10^-6 (respectively)

  Calculate hydrogen ion concentration in anode compartment

Question- Consider the following cell: Pt|H2(g, 0.725 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.10 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrog..

  Find out the heat capacity of the calorimeter in kj

A 6.55 g sample of aniline (C6H5NH2) was combusted in a bomb calorimeter. If the temperature rose from 22.25 ? C to 55.15 ? C, use the information below to determine the heat capacity of the calorimeter in kJ

  Explain a sample of air contaminated with sulfur dioxide

An environmental engineer analyzes a sample of air contaminated with sulfur dioxide. To a 500-mL sample at 700. torr and 38 degrees celcius, she adds 19.50 mL of 0.01017 M aqueous iodine

  What is the molarity of lead ion in the original solution

Problem- If 38.5 mL of lead (II) nitrate solution reacts completely with excess sodium iodide solution to yield a 0.628 g of precipitate, what is the molarity of lead (II) ion in the original solution

  What external pressures have moved mainstream medicine

What external pressures have moved mainstream medicine to accept alternative therapies? Have any alternative therapies been proven to work as well as standard treatments? Support your answer with information from the reading materials and/or inter..

  Complete the structure by adding bonds

Problem- The skeleton of acetic acid is shown here. Complete the structure by adding bonds and nonbonding electrons.

  Define species called glacial acetic acid is 98% acetic acid

The species called glacial acetic acid is 98% acetic acid by mass (d=1.0542g/ml). What volume of glacial acetic acid must be added to 100 mL of 1.00M NaOH to give a buffer with a pH of 4.40?

  Explain how would calculate the ph of a mixture

How would you calculate the pH of a mixture made from adding 20.0 g of NaCH3CH2COO and 20.0 g of CH3CH2COOH to 100.0 mL of 0.10 M HCl.

  Find out the energy level number of the higher level

Explain a wavelength of 925.4 nm has been detected from the emission of a hydrogen gas tube while under excitation from a high voltage source in a lab. This was caused by an electron dropping from a higher voltage source.

  Explain the acidity constant for benzoic acid

Given that the acidity constant for benzoic acid (HOBz) is Ka=6.5x10-5, calculate the basicity constant, Kb, of the benzoate ion (OBz-).

  Explain what is the entropy change of the gas

2 moles of ideal gas at 300K, with an initial volume of 25L, are compressed under an external pressure of 2800 torr. Assuming the temperature and the initial energy of gas do not change, what is the entropy change of this gas

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