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

  What weight of pb(no2)2 wil have to be dissolved

What weight of Pb(NO2)2 wil have to be dissolved in one liter of water to prepare a 100ppm Pb2+ solution.

  Explain mercury forms a diatomic cation

Common oxidation states of mercury are 1 and 2. In the 1 oxidation state, mercury forms a diatomic cation. In the 2 oxidation state, mercury is a typical monatomic cation.

  Explain glycolysis and gluconeogenesis are reciprocally

Glycolysis and gluconeogenesis are reciprocally regulated at the steps that interconvert fructose-6-phosphate and fructose-1,6-bisphosphate.

  What is the molarity of the ethanol in this solution

A solution of ethanol (C2H5OH) in water is prepared by dissolving 57.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 255.0 mL of solution.

  How many feet of copper can obtained from the ingot

A copper refinery produces a copper ingot weighing 75 kg. the density of the copper is 8.94 g/cm^3. if the copper is drawn into a wire whose dimeter is 8.250mm

  Determine k for the reaction

given that, for H2C2O4(aq), Ka1 = 6.5 x 10-2 and Ka2 = 6.1 x 10-5. Don't forget that Kw = 1 x 10-14.

  Compute the heat of combustion of cyclohexatriene

Calculate the heat of combustion of cyclohexatriene using the bond energies for C=C,C-C, and CH provided below. The actual value measured experimentally is 3331.2 KJ/mol

  Determine the mass of cuso4 · 5h2o

Determine the mass of CuSO4 · 5H2O that must be used to prepare 250 mL of 0.88 M CuSO4(aq).Answer in units of g.

  Determine molar mass and molecular formula of compound

An unknown organic compound has the empirical formula C2H2O. A solution of 3.775 g of the unknown compound dissolved in 12.00 g of water is cooled until it freezes at a temperature of 4.72°C.

  Caculate the amount of heat liberated

caculate the amount of heat liberated ( in kj) from 335g of mercury when it cools from 59.0 to 12.0 c

  Find the molarity of a solution

A 1.23 mol sample of KOH is dissolved in 425 ml water. find the molarity of the solution

  Volume occupied by the sample under conditions

What was the volume occupied by the sample under the new conditions - Determine what volume of 3.00M HCl in liters is required to react

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