Compute percent of purity of alum presence of aluminum

Assignment Help Chemistry
Reference no: EM13670094

a1.2356gram sample alum salt KAL(so4)2.12H20 was treated with 8-hydroxy quinoline.the precipitate formed then ignited giving 0.1245gram of AL2O3. Compute percent of purity of alum, presence of aluminum, potassium & sulphate in the sample. The mass of aluminum & potassium in the sample analyzed.

Reference no: EM13670094

Questions Cloud

Arrange the substances with polar covalent bonds : Are the bonds in each of the subsequent substances ionic, non polar covalent, or polar covalent. Arrange the substances with polar covalent bonds in order of increasing bond polarity
Calculate the acceleration of the crate : Calculate the acceleration of the crate.
The molar volume of liquid nitrogen at normal boiling point : Problem 3.51A rigid vessel, filled to one-half its volume with liquid nitrogen at its normal boiling point, is allowed to warm to25oC. Explain what pressure is developed. The molar volume of liquid nitrogen at its normal boiling point is 34.7cm3mo..
Explain the solution was then diluted to 100ml with water : An experiment was done utilizing a simple spectrophotometer. An aspirin tablet was added to 2mL of 1 M sodium hydroxide solution and 10mL of water, and brought to boil to dissolve the tablet. The solution was then diluted to 100mL with water. 1.00..
Compute percent of purity of alum presence of aluminum : Compute percent of purity of alum, presence of aluminum, potassium & sulphate in the sample. The mass of aluminum & potassium in the sample analyzed.
Explain what is the formula for this compound : Chemical formulas point to the ratios of the different types of atoms in a compound. Percentage composition indicates the relative masses of each element in a compound. Mass ratios are important for lab work, while atomic ratios are important for ..
Explain if the radius of a copper atom : The density of copper metal is 8.95g/cm3. Explain if the radius of a copper atom is 127.8 pm, is the copper unit cell simple cubic, body centered cubic, or face centered cubic
Acceptance of the central dogma : Choose three "classic" experiments that led to the acceptance of the central dogma and briefly describe the experiment and the conclusion and describe some of the mechanisms by which genomes evolve. Which do you think has the greatest impact and wh..
Consequences of the veil of incorporation : Write a brief explanation about why the directors' duty to prevent insolvent trading exists and the circumstances and consequences of the 'veil of incorporation' being lifted for insolvent trading.

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the percentage by weight of oxygen in the product

calculate the percentage by weight of oxygen in the product formed when a 2.60-g sample of selenium combines with

  Explain many moles of the compound were oxidized

If the enthalpy of combustion of the compound is -2978.0 kJ/mol and the temperature of the calorimeter rises from 25.44 C to 27.7 C, how many moles of the compound were oxidized?

  Explain the temperature of the entire system rose

The mixture of solutions has a density of 1.220 g/mL and a specific heat of 5.254 J/gC. The empty calorimeter had a heat capacity of 850.0 J/C. The temperature of the entire system rose from 25.6 C to 26.7 C. Calculate the heat of the reaction, in..

  Compute the mass of the product formed of cl2

Calculate the mass (in grams) of the product formed when 15.64 g of Cl2 reactant completely reacts. Assume that there is more than enough of the other reactant.

  What volumes of co2 and nh3

What volumes of CO2 and NH3 at 201 atm and 450.°C are needed to produce 2.54 kg of urea, assuming the reaction goes to completion?

  Effect of non calibrated thermometer on colligative property

Suppose your thermometer read consistently 1.0 o C lowered throughout both parts in the colligative properties lab. What effect would that have on your experimental value for the molar mass of your unknown solute?

  What volume of oxygen is required

What volume of O2 at 988 mm Hg and 33 degrees celcius is required to synthesize 19.5 moles of NO2.

  The heat of vaporization of a liquid deltahvap is theenergy

the heat of vaporization of a liquid deltahvap is theenergy required to vaporize 1g of the liquid at its boilingpoint.

  Determine the amount of heat energy needed

determine the amount of heat energy needed to convert 255g of substance x from 40 degrees to 300 degrees

  Define what happens to the interference pattern

What happens to the interference pattern that results from the diffraction of electrons passing through two closely spaced slits if the rate of electrons going through the slits is decreased to one electron per hour

  Explain what is specific rotation of d

A 0.150 M solution of an enantiomerically pure chiral compound D has an observed rotation of 0.12° in a 1-dm sample container. The molar mass of the compound is 135.0 g/mol. (a)What is specific rotation of D

  State sodium dihydrogen phosphate to enough water

A student adds 0.1 mol of oxalic acid (H2C2O4) and 0.1mol of sodium dihydrogen phosphate to enough water to make 1.0L of solution. The following equilibrium is established with Kc from this reaction greater than 1

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