Define what is the equivalent weight of mno4

Assignment Help Chemistry
Reference no: EM13238682

You take an unknown solution and measure 1ML of it into a flask. You dilute it with 25mL of water and 10mL of H2SO4. You titrate the solution with 19.80 mL of KMnO4. The (MnO4)- is reduced to (Mn) 2+ by the unknown solution.

a) What is the equivalent weight of (MnO4)- for the experiment?

Reference no: EM13238682

Questions Cloud

Define what is the normality of the unknown solution : you take an unknown solution and measure 1ML of it into a flask. You dilute it with 25mL of water and 10mL of H2SO4. You titrate the solution with 19.80 mL of KMnO4. The (MnO4)- is reduced to (Mn) 2+ by the unknown solution. What is the normality ..
Why a country has no public debt in year 1 : Suppose that a country has no public debt in year 1 but experiences a budget deficit of $40 billion in year 2, a budget deficit of $20 billion in year 3, a budget surplus of $10 billion in year 3, and a budget deficit of $2 billion in year 4
Describe take an unknown solution and measure : you take an unknown solution and measure 1ML of it into a flask. You dilute it with 25mL of water and 10mL of H2SO4. You titrate the solution with 19.80 mL of KMnO4. The (MnO4)- is reduced to (Mn) 2+ by the unknown solution.
Determine what is the size of consumer surplus : Suppose that in the domestic market for computer chips the demand is Pd = 110 Qd . The domestic supply is Ps = 10 + Qs . Foreign suppliers would be willing to supply any number of chips at a price of 30$.
Define what is the equivalent weight of mno4 : You dilute it with 25mL of water and 10mL of H2SO4. You titrate the solution with 19.80 mL of KMnO4. The (MnO4)- is reduced to (Mn) 2+ by the unknown solution. a) What is the equivalent weight of (MnO4)- for the experiment
Explain what is the average molecular weight : You are given an acid with an equivalent weight of 62.5 g. What is the average molecular weight if the acid is diprotic? a) How many grams of your acid are needed to make 150mL of a .750 N (normal) solution?
What is the speed of the siren in the latter case : A siren has a frequency of 750 Hz when it is at rest, whereas it has an apparent frequency of 800 Hz when it is moving toward a stationary observer
What is the ratio of the tensions of the two strings : Two similar guitar strings have the same length and mass, but slightly different tensions, If the beat frequency is 1.5 Hz, what is the ratio of the tensions of the two strings
Define the proton nmr spectrum of compound d : The proton NMR spectrum of compound D is given below. Treatment of compound D with ethyl magnesium bromide yields A. Draw the structures of compounds A, B, C, and D. 1H NMR of D: d 8.1-7.5, multiplet, 5H; 2.85, quartet, 2H; 1.30, triplet, 3H.

Reviews

Write a Review

Chemistry Questions & Answers

  What will be the expected electron domain geometry

According to VSEPR theory, if there are five electron domains in the valence shell of an atom, what will be the expected electron domain geometry.

  Explain what volume of h2s is required to react

What volume of 3.50M H2S is required to react with excess O2 to produce enough NH3 to fill a cylinder that is 50ft long and has a diameter of 13 ft at a pressure of 450 torr and 20°F

  A balanced net ionic equation for neutralization reaction

Write a balanced net ionic equation for the neutralization reaction and Tartaric acid,( C4H6O6) , has two acidic hydrogens.

  Explain the equilibrium constant kp for the reaction

The equilibrium constant, Kp, for the following reaction is 9.4 at 500.0 degrees C. A mixture in a container at this temperature has a total pressure of 2.0 atm. The molar percent of N2O4 is 12.0% and NO2 is 88.0%.

  Determine the heats of formation or the steric energies

Determine the heats of formation or the steric energies of the exo- and endo-anhydride adducts using a molecular mechanics program.

  Calculate the enthalpy change

A calorimeter contains 17.0 mL of water at 15.0 degrees celcius When 1.40 g of (a substance with a molar mass of 69.0 g/mol) is added, it dissolves via the reaction X(s)+H2O(l)->X(aq)

  State liquid and vapor coexist in equilibrium

The boiling point of a substance is defined as the temperature at which liquid and vapor coexist in equilibrium. Use the heat of vaporization (30.91kJ/mol) and the entropy of vaporization

  How much time (in s) is needed

2NOCl(g) → 2NO(g) + Cl2(g) ,At 450 K the rate constant is 15.4 atm-1s-1. How much time (in s) is needed for NOCl originally at a partial pressure of 46 torr to decay to 25.8 torr.

  Explain groundwater is due to the presence of metal ions

Hardness in groundwater is due to the presence of metal ions, primarily Mg2 and Ca2 . Hardness is generally reported as ppm CaCO3 or mmol/L Ca2 . To measure water hardness, a sample of groundwater is titrated with EDTA,

  State the dispersion of a diffraction grating

The dispersion of a diffraction grating, such as the one shown at the right, is the angle of separation per ?m of wavelength. It depends on the order of the diffraction (n),

  What mass of hcn and of h2o will be produced

If 5.00 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?

  What is the molecular formula of the phosphorous

the density of phosphorus vapour at 310 degrees celcius and 75 mmHg is 2.64 g/L. What is the molecular formula of the phosphorous under these conditions?

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