Explain what is the ph of hydrocyanic solution

Assignment Help Chemistry
Reference no: EM13224876

Hydrocyanic acid is a weak acid with Ka = 4.9 x 10-10. What is the pH of a 0.4480 M hydrocyanic solution?

Reference no: EM13224876

Questions Cloud

What are external and internal analysis plan : Sources you expect to use to perform an internal environmental analysis and what are external and internal analysis plan.
Explain what is the change in entropy of a system : What is the change in entropy of a system consisting of one mole of ideal gas when it is expanded isothermally and reversibly from a pressure of 6 bar to 2 bar at 275 K? What is the change of entropy of the surroundings?
Which bond offers higher expected compound rate of return : A bond fund manager has a four year time horizon, and is considering two bonds. The first is a 15-year to maturity bond with a 6.60% coupon rate, paid annually. The price of this bond today is 100% of face value. The second bond is a 20-year to ma..
Determine if a good investment was on an after-tax basis : Fleet rental car company purchased 10 new cars for a total cost of $180,000. The cars generated income of $150,000 per year and incurred operating expenses of $60,000 per year. The company ises MACRS depreciation and its marginal tax rate is life ..
Explain what is the ph of hydrocyanic solution : Hydrocyanic acid is a weak acid with Ka = 4.9 x 10-10. What is the pH of a 0.4480 M hydrocyanic solution?
How much heat is absorbed sample of water when it is heated : How much heat is absorbed by a 125g sample of water when it is heated from 25.200C to 32.800C? The specific heat of water is 4.184 J/g0C.
Should the airline replace its night flight from la : overnight is $1200 and would be zero in L.A. The airline is contemplating eliminating the ngiht flight out of L.A. and replacing it with a morning flight. The estimated number of passengers is 70 in the morning flight and 50 in the return afternoo..
Explain how the study contributes to knowledge : Explain how the study contributes to knowledge in the field and what new knowledge is provided?
Explain the observations listed were made on different solns : The observations listed were made on different solns. Given the observations state which ion studied in this experiment is present. If the test is not definitive, indicate that with a (?).

Reviews

Write a Review

Chemistry Questions & Answers

  What mass of cos is isolated

If a student starts with 615g of Co(NO3)2 and obtains a 57.3% yield of CoS, what mass of CoS is isolated? Co(NO3)2 +K2S ---> CoS + 2KNO3

  What is the rule for naming feo

The correct name for FeO is iron(II) oxide is it a poyatomic or binary ion? What is the rule for naming FeO?

  Find out the rms speed of nitrogen and oxygen

Air is mostly nitrogen and oxygen. Determine the rms speed of nitrogen and oxygen at room temperature (20° C).

  Why does each carbon atom have that hybridization

Indicate the kind of hybridization (sp, sp2, sp3) you expect for each carbon atom in the following molecule. Why does each carbon atom have that hybridization?

  How much physiological saline can be prepared

How much 0.54 M NaCl, "physiological saline," can be prepared via the dilution of 250 mL of a 6.0 M NaCl solution?

  How many grams of water were used to make the solution

Sugar (82.00 grams; molar mass 342.3 g/mol) was dissolved in water. The freezing point of the solution was determined to be -3.60 deg C. How many grams of water were used to make the solution?

  Explain buffering action of proteins

Buffering Action of Proteins, We did this experiment in class but I want to see if the results seem reasonable and, if so, why they were not more varied.

  What is the specific heat capacity of the alloy

A 60.0 g sample of an alloy was heated to 96.0 °C and then dropped into a beaker containing 87.0 g of water at 24.1 °C. The temperature of the water rose to a final 27.63 °C.

  State the half-life of chromium

The half-life of Chromium-51 is 28 days. Starting with an original sample size of 12.0 ?g, calculate the number of days it will take for the radioactive isotope

  Compute the number of grooves per centimeter

Calculate the number of grooves per centimeter for your grating. Hint: if the groove spacing was 0.1 ft, then how many grooves would you have per foot?

  State and predict the species that will be oxidized first

Predict the species that will be oxidized first if the following mixture of molten salts undergoes electrolysis

  Explain is the sample pure silver

Pure silver has a density of 10.50 g/cm3. A 22.8 gram sample reputed to be silver displaces 2.0 mL of water. Is the sample pure silver? and why?

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