User Account

All Pages

Compute the percentage of sulfate ion in the sample

Assignment Help Chemistry
Reference no: EM13676425

A 1.543 g sample containing a sulfate ion was treated with barium chloride reagent and 0.2243 g of barium sulfate was isolated. Compute the percentage of sulfate ion in the sample.

Reference no: EM13676425

Questions Cloud

Explain what is the maximum mass of an object traveling : Presuming that the smallest measurable wavelength in an experiment is 0.990 fm femtometers, explain what is the maximum mass of an object traveling at 773 m•s-1 for which the de Broglie wavelength is observable
Explain why one is more amenable than the other two : Explain which of the subsequent three compounds is the most likely to be amenable to purification by sublimation- polyethylene, menthol, or phthalic acid. Explain why one is more amenable than the other two
Explain what will be the change in temperature of the water : A 500.0-g iron bar at 212 degrees Celsius is placed in 2.0-L if water at 24.0 degrees Celsius. Explain what will be the change in temperature of the water. Presume no heat is lost to the surroundings.
Find out which conjugate acid is more stable : Find out which conjugate acid is more stable. c) Offer a structure based rationale for the observed difference in basicity. d) Circle the more basic nitrogen in the structure below. The structure is 4-Dimethylaminopyridine.
Compute the percentage of sulfate ion in the sample : A 1.543 g sample containing a sulfate ion was treated with barium chloride reagent and 0.2243 g of barium sulfate was isolated. Compute the percentage of sulfate ion in the sample.
Explain what is the value of kc for the reaction : Gaseous [Br2] decomposes at 573 K Br2(g) 2 Br(g) In a 1.26-L flask 0.086 mol of Br2 are placed and heated to 573 K. Measurements determine that Br2 is 3.7 % dissociated at this temperature. Explain what is the value of Kc for this reaction
Compute the entropy changes for the system : The heat capacity of Hydrgon may be represented by Cp= (1.554 + 0.0022 T) J/K mol. Compute the entropy changes for the system surroundings and the universe for the (a) reversible heating, as well as (b) irreversible heating of 1.0 mole of hydrogen..
Compute the time required to bring the pressure : It is found that initial with pure A the volume after 12 min is increased by 70% at a pressure of 1.8 atm. If the similar reaction is to be carried out in a constant volume reactor and the initial pressure is 1.8 atm, compute the time required to ..
Explain what is the value for kc : A mixture of 0.074 mole H2 and 0.151 mol CH4 is at equilibrium with solid carbon in a 1 liter container. If the equation for the equilibrium is CH4(g) ?C(s) + 2H2(g). (a) Explain what is the value for Kc

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the free energy change g for the formation of

calculate the free energy change ?g for the formation of ethylenec2h4 from carbon and hydrogen at 25degc when the

  Explain what is the concentration after one minute

A reaction that is first order in A has a rate constant of 0.72/min If the initial concentration of A is 1.60 M, what is the concentration after one minute

  What is the maximum mass of this sample

A mass of solid aluminum is at its melting point. what is the maximum mass of this sample that can be melted by 120 kJ of heat? ( Cp=0.900J/gc ; Hfus= 35.7 KJ/g

  Compute the equilibrium concentrations of ag+

Equal volumes of .12 M AgNO3 as well as M ZnCl2 solutions are mixed. Compute the equilibrium concentrations of Ag+, Cl-, Zn2+, and NO3-.

  Explain polyethylene molecules in a solution

Suppose polyethylene molecules in a solution can exist in either a random-coil conformation or in a fully stretched-out conformation. The stretched-out conformation is 2.4 kJ/mol higher in energy than the random-coil conformation.

  Define the molar solubility of agbr in water

The molar solubility of AgBr in water is 7.31x10^-7 mol dm^-3 at 25C. What is the standard potential of the cell Ag(s)/AgBr(aq)/AgBr(s)/Ag(s) at that temperature

  A flask containing gaseous n2 is irradiated with 25 nm

a flask containing gaseous n2 is irradiated with 25 nm light. the irradiated moleculars of n2 can absorb the energy

  Explain sce stands for the saturated calomel electrode

Consider following cell. SCE stands for the saturated calomel reference electrode, which has a fixed potential of 0.244 volt. Pt|VOSO4 (0.0184 M), V2(SO4)3 (0.212 M), HClO4 (0.0100 M) || SCE Calculate the cell potential.

  Find out the electron geometry and molecular geometry

Find out the electron geometry (eg) and molecular geometry (mg) of the underlined atom CH3OCH3

  Depict the skeletal structure of the phospholipid

In the biosynthesis of phospholipds there is a preference to put unsaturated fatty acids in the C-2 position of glycerol. Draw the skeletal structure of the phospholipid most likely to be formed from phosphatidylcholine

  Explain sodium hydroxide yields ethanol and sodium acetate

The hydrolysis of ethyl acetate (CH3COOC2H5) by sodium hydroxide yields ethanol (C2H5OH) and sodium acetate (NaO2CCH3) by the reaction shown

  Calculate the atomic weight of the element

An element has three naturally occurring isotopes with the following masses and abundances (in parenthesis): 27.977 amu (0.9222); 28.974 amu (0.0469); 29.974 amu (0.0310). Calculate the atomic weight of the element.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd