What is the percent purity of the calcium hydroxide

Assignment Help Chemistry
Reference no: EM13127116

A 0.4780-g sample of impure Ca(OH)2 is dissolved in enough water to make 57.00 mL of solution. 20.00 mL of the resulting solution is then titrated with 0.1140-M HCl. What is the percent purity of the calcium hydroxide if the titration requires 34.55 mL of the acid to reach the endpoint?

Reference no: EM13127116

Questions Cloud

How does the cell phone help children to communicate : How does the cell phone help children to communicate and are the parents usually encouraging their children to communicate by cell phone?
Lan security in a network environment : Discuss today's Local Area Networks security issues related to peer-to-peer network, client /server network and virtualisation environment.
How much energy would be needed to warm water : If it takes 526 J of energy to warm 7.40 g of water by 17 °C, how much energy would be needed to warm 7.40 g of water by 55 °C?
Determine the molecular weight of a compound : Determine the molecular weight of a compound given the gas phase data: mass of 11.8 g, temperature of 39.1 C, pressure of 630 torr, volume of 1.31 L.
What is the percent purity of the calcium hydroxide : A 0.4780-g sample of impure Ca(OH)2 is dissolved in enough water to make 57.00 mL of solution. 20.00 mL of the resulting solution is then titrated with 0.1140-M HCl.
By what factor will the rate constant increases : The activation energy for the following reaction is 60. kJ/mol. Sn2+ + 2Co3+ → Sn4+ + 2Co2+
What is the average thickness of the sheet in meters : If a 180 mg piece of gold (density =19.32 ) is hammered into a sheet measuring 2.41.0 , what is the average thickness of the sheet in meters.
Demand curve for einsteinss bagels : Calculate the price elasticity of demand for Einstein's Bagels and explain what it means and derive an expression for the (inverse) demand curve for Einsteins's Bagels.
What is the density of a block of marble : What is the density of a block of marble that occupies 350 cm3 and has a mass of 660 g?Answer in units of g/cm

Reviews

Write a Review

Chemistry Questions & Answers

  Electronic structure of bf3

Boron often forms compounds that do not comply with the octet rule that are termed electron deficient. BF3, whose structure is shown below on the left, is an example of an electron deficient compound.

  Calculate the molar solubility of lead thiocyanate

Lead thiocyanate, rm Pb(SCN)_2, has a K_sp value of 2.00 times 10^{-5}.Calculate the molar solubility of lead thiocyanate in 1.00 it M rm KSCN.

  Write down the product for the reaction

Write down the product for the reaction; Butane (forward and backward reaction)in the presence of Aluminium bromide and HBr at the temperature of 27 degree celcius/

  Calculate the final temperature of the mixture

A 27.0-g sample of water at 250. K is mixed with 47.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.

  Explain thermal equilibrium

Thermal equilibrium, 10.0g of Fe(s) at 98.0 degrees Celsius is placed in 50.0mL of H2O(l) at 20 degrees Celsius

  Determine what is the molar mass of a gas

Determine how many grams are there in 4.5+10 22 molecules of Barium nitrate and determine what is the molar mass of a gas ?

  What mass of oxygen is required

If 12.0 g of O2 is required to inflate a balloon to a certain size at 27 OC what mass of O2 is required to inflate it to the same size (and pressure) at 5.0 oC.

  What is the partial pressure of krypton

Three gases, hydrogen, helium, and krypton are confined in a 10.0 L vessel at a pressure of 6.00 atm. The vessel contains 4.00 moles of hydrogen, 3.00 moles of helium, and 5.00 moles of krypton.

  Determine the molarity of solution

Determine how many grams of C 6 H 12 O 6 should be mixed in 563 grams of C 2 H 5 OH) to form a 2.40X10^-2 m solution?

  How many molecules of o2 are present

a gas mixture consists of N2, O2, and Ne where the mole fraction of N2 is .55 and the mole fraction of Ne is .25. If the mixture is at STP in a 5.0 L container, how many molecules of O2 are present.

  What is the order of the reaction

What is the order of the reaction if it takes 10 minutes, 20 minutes, 30 minutes to reach 75% conversion?

  What is the equilibrium pressure of ammonia

A 2.00 liter vessel is ?lled with NH3(g) to a pressure of 4.00 atm and the reaction N2(g) + 3 H2(g) ?? 2 NH3(g) comes to equilibrium at a ?xed temperature.

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