Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Chemistry Expert

Oxidation of 25.0mL of a solution containing Fe2+ required 26.0mL of 0.0250 M K2Cr2O7 in acidic solution according to the following unbalanced equation: Cr2O72-+Fe2++H+---> Cr3++Fe3++H2O(l)

a) How many moles of electrons are transferred when Fe2+ goes to Fe3+?

b) Is iron going through oxidation or reduction?

c) How many of moles of electrons are transferred when Cr2O72- goes to Cr3+?

d) Is Chromium going through oxidation or reduction?

e)Write the balanced equation between potassium chromate and iron

f) How many moles of Cr2O72- are in 26.0mL?

g) What is the mole ratio between Fe2+ and Cr2O72-?

h) How many liters is 25.0mL

i) What is the molarity of Fe2+ from the titration?

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M92521033
  • Price:- $45

Priced at Now at $45, Verified Solution

Have any Question?


Related Questions in Chemistry

The heat fusion of pure silicon is 434 kjmol how much

The heat fusion of pure silicon is 43.4 kJ/mol. How much energy would be needed to melt a 5.24 - g sample of silicon at its melting point of 1693 K?

Protein folding assignmentin an in vitro protein folding

PROTEIN FOLDING ASSIGNMENT In an "in vitro" protein folding experiment monitored by fluorescence measurements the following data was obtained for protein X: [GuHCl], M Wavelength Maxima, nm 0 330 0.5 332 1.0 331 1.5 332 ...

A scuba diver creates a spherical bubble with a radius of

A scuba diver creates a spherical bubble with a radius of 2.5 cm at a depth of 30.0 m where the total pressure (including atmospheric pressure) is 4.00 atm. What is the radius of the bubble when it reaches the surface of ...

1 a beaker contains a clear colorless liquidnbspit has

1. A beaker contains a clear, colorless liquid. It has three chemical substances in it, two are liquid and one of them is a solid. How could you determine if it has water, ethanol, and table salt? Remember you're not all ...

What would be the effect on our body chemistry if large

What would be the effect on our body chemistry if large numbers of enzymes were to become malformed and how do they become malformed?

A photon of wavelength 200 nm strikes the surface of a

A photon of wavelength 200 nm strikes the surface of a metal causing an electron to be ejected with kinetic energy of 4.3 x 10-19 J. What was the threshold frequency of the metal?

Does dissolved solids such as sugar and salt modifychange

Does dissolved solids such as sugar and salt modify/change the boiling point of water; do mixtures have the same boiling point as pure substances?

What are the symbol and name of the element whose average

What are the symbol and name of the element whose average atoms have a mass very nearly half the mass of an average silicon atom?

2 h2sg 3 o2g rarr 2 h2og 2 so2gusing standard enthalpies

2 H2S(g) + 3 O2(g) → 2 H2O(g) + 2 SO2(g) Using standard enthalpies of formation, calculate the standard enthalpy change for this reaction.

The atomic masses of lithium-6 759 and lithium-7 9241 are

The atomic masses of Lithium-6 (7.59%) and Lithium-7 (92.41%) are 6.0151 and 7.016 amu, respectively. Calculate the average atomic mass of chlorine. The percentages in parentheses denote the relative abundances.

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As