Calculate the ph of a solution

Assignment Help Chemistry
Reference no: EM13159695

Calculate the pH of a solution prepared by mixing 20.0 mL of 0.01 M HCl with 100.0 mL of 0.10 M HCN. For HCN, Ka = 1.0 x 10- 10. Assume that the volumes are additive.

Reference no: EM13159695

Questions Cloud

What is the mass in grams of the aluminum block : if adding 62.0 calories to an aluminum block causes the temperature of the aluminum to increase from 62*F to 89*F, what is the mass in grams of the aluminum block
Problem related to preferred stock dividends : For 2007 Mossland Corporation reported gross profit $100,000; net income of $24,000; sales $500,000; net sales $400,000; and average share outstanding 6,000. There were no preferred stock dividends. What was the 2007 profit margin?
Find probability that random sample of size has mean : Suppose a population can be approximated by a normal model with expected value μ = 50 and standard deviation σ = 9.8. Find the probability that a random sample of size 4 has a mean x between 47.8 and 53.7.
Determine the activation barrier for the reaction : Use an Arrhenius plot to determine the activation barrier for the reaction. Express your answer using three significant figures. (units = kJ/mol)
Calculate the ph of a solution : Calculate the pH of a solution prepared by mixing 20.0 mL of 0.01 M HCl with 100.0 mL of 0.10 M HCN. For HCN, Ka = 1.0 x 10- 10. Assume that the volumes are additive.
Devise a hypothetical business situation : Devise a hypothetical business situation in which buying a lookback call option on a commodity may be a sound strategy for you. How about a down-and-out call option?
What is the average packing ratio of dna at metaphase : The broad bean is diploid and 2n= 18. Each haploid chromosome setcontains approximately 4 m of DNA. the average size of eachchromosome during metaphase of mitosis is 13 µm. What is the average packing ratio of DNA at metaphase? How is this packing..
Structure and goals of the epa : Briefly outline the structure and goals of the EPA, and illustrate how this agency impacts an important environmental regulatory aspect of your workplace.
Construct a confidence interval if prices is skewed left : Normal distribution or a t-distribution should be used or whether neither of these can be used to construct a confidence interval. Assume the distribution of prices is skewed left.

Reviews

Write a Review

Chemistry Questions & Answers

  How many moles of he are present

a cylinder of He gas has a volume of 25.0L at 22 degrees C and 5.6atm. How many moles of He are in such a cylinder?

  Kinetic molecular theory states that particle collisions

Kinetic Molecular Theory states that particle collisions are elastic,but energy and collisions of the particles are proportional to the absolute temperature, but the more collisions according to Henry's law, the more gas dissolves.

  How many milliliters of water must be added

How many milliliters of water must be added to a stock solution of 6.00 M HNO3 in order to prepare 500 mL of 0.200 M HNO3 by dilution.

  Determine the energy involved

Barium imparts a characteristic green color to a flame. The wavelength of this light is 551nm. Determine the energy involved in kj/mol.

  Determine the specific heat capacity of a metal

determine the specific heat capacity of a metal that has a mas of 14 grams. As the metal cools from 400 degrees celcius to 200 degrees celcius, 364 joules of heat is released

  Find ph of a mixture

Find pH of A mixture formed by adding 44.0 mL of 2.5×10-2M HCl to 150mL of 1.5×10-2 M HI.

  How many moles of octane must be burned

During the combustion of 5.0 g of octane, C8H18, 239.5 kcal is released. How many grams and how many moles of octane must be burned to release 450 kcal?

  Verify that one part per million corresponds to one minute

Verify the following statements (a) One part per million corresponds to one minute in two years, or a single penny in $10,000.

  What percentage of the impure sample was barium hydroxide

Suppose that 1.419 g of impure barium hydroxide is dissolved in enough water to produce 213 mL of solution and that 40.4 mL of this solution is titrated to the stoichiometric point with 8.3 mL of 0.0696 M HCl(aq). What percentage of the impure sam..

  Calculate the atomic mass of the element

An element has two isotopes with masses of 62.9396 u and 64.9278 u,and 30.83% of the atoms are the heavier isotope. Calculate the atomic mass of this element and give its name and symbol.

  Accumulates in the blood of people with phenylketonuria

Phenylacetic acid (C6H5CH2COOH) is one of the substances that accumulates in the blood of people with phenylketonuria, and inherited disorder that can cause mental retardation or even death

  Size of a hydrogen spherical balloon for lifting a payload

Size of a hydrogen spherical balloon for lifting a payload, Determine the size of a spherical balloon filled with hydrogen at 30°C and atmospheric pressure for lifting 400Kg payload

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