What is the hydronium ion concentration in a collation

Assignment Help Chemistry
Reference no: EM13711218

Question- What is the hydronium ion concentration in a collation prepared by mixing 50.00mL of 0.10M HCN with 50.00mL of 0.030M NaCN? Assume that the volumes of the solutions are additive and that the Ka= 4.9*10^-10.

Illustrate structures to prove your interpretation

Reference no: EM13711218

Questions Cloud

What is the total pressure starting from a mixture of caso4 : For the reaction 2CaSO4(s) ? 2CaO(s) + 2SO2(g) +O2(g), K= 0.032atm^3 at 700K. What is the total pressure in atm starting from a mixture of 70% CaSO4 (s) and 30% CaO(s).
Calculate delta hvap for dichloromethane : Question- Choose any two temperatures and corresponding vapor pressures in the table given, and use those values to calculate delta Hvap for dichloromethane (in kJ/mol).
Calculate the amount of reagent to be weighed out bottle : In a preparation of 2-butanone 2,4-dinitrophenylhydrazone, calculate the amount of reagent to be weighed out from a bottle of (70% 2,4-DNP/30% H2O) if it is reacted with 4.14g of 2-butanone and a 1.4 molar excess of the 2,4-DNP is required.
How many grams of na2co3 are present in a solution : How many grams of Na2CO3 are present in 17.0 mL of a solution that is 39.0% Na2CO3 by mass. The density of the solution is 1.05 g/mL.
What is the hydronium ion concentration in a collation : What is the hydronium ion concentration in a collation prepared by mixing 50.00mL of 0.10M HCN with 50.00mL of 0.030M NaCN. Assume that the volumes of the solutions are additive and that the Ka= 4.9*10^-10.
Write a balanced chemical equation of the peroxide : Write a balanced chemical equation showing the function of the peroxide. In your equation identify the oxidizing agent and the reducing agent
Define a liquid-luid extraction with water and ethyl acetate : In a liquid-luid extraction with water and ethyl acetate, which phase would you expect each compound below to be dissolved in
How much heat is required to vaporize water at 100c : How much heat is required to vaporize 25.0g of water at 100C. The heat of vaporization of water at 100C is 40.7 kJ/mole.
What is the percentage dissociation of hx : A 1.0 M aqueous solution of a weak acid HX has a pH of 3.00. What is the percentage dissociation of HX in the solution

Reviews

Write a Review

Chemistry Questions & Answers

  A 00587g sample of gas with an empirical formula chf2 is

a 0.0587g sample of gas with an empirical formula chf2 is placed in 154 ml flask. it has a pressure of 46.3 mmhg and

  Calculate the pressure exerted by ar for a molar volume of

calculate the pressure exerted by ar for a molar volume of 1.42l mol-1 at 300.0 k using the van der waals equation of

  Explain specific metric unit

When working NMR questions, solutions maunuals say that the peaks are 1.0 spaces long or 5.5 spaces long.

  Explain the ir spectra of 9 fluorenone and 9 hydroxyfluorene

Suggest at least one characteristic absorption each in the IR spectra of 9 fluorenone and 9 hydroxyfluorene that could be used to distinguish between these two compounds

  Explain the structure and name of the product

What would be the structure and name of the product after completely oxidizing all double bonds of the following with hydrogen peroxide (H2O2)

  Explain molecular mass of a sample of a gas

Molecular mass of a sample of 0.299 g of a gas in a 0.220 L bulb under a pressure of 0.757 atm and at a temperature of 250 C

  Question when heated calcium carbonate decomposes to yield

question when heated calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reactioncaco3 s

  Define the observed molar mass of the unknown liquid

How would the observed molar mass of the unknown liquid have been affected by the following circumstances. (would it be higher than the true value, lower than the value or remain unchanged.

  Compute theoretical and percent yields if 934 grams of

calculate the theoretical and percent yields if 934 grams of sucrose c12h22o11 react and 493 grams of ethanol c2h5oh

  Explain the specific heats of solid and liquid ethanol

The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively. How much heat (kJ)

  How many moles of cn- ions will be contained in the dilute

A 280 mL stock solution contains 2.3 M Ca(CN)2. When 105 mL of the stock solution is diluted to 120 mL, how many moles of CN- ions will be contained in the dilute solution?

  Explain molecular orbital theory predicts

Molecular orbital (MO) theory predicts the O2 +2(a +2 CHARGE) ion has a bound order of

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