What is the percent purity of the lye sample

Assignment Help Chemistry
Reference no: EM13717742

Problem- A 0.7500 g sample of commercial lye, NaOH, is dissolved in water and titrated with 35.00 mL of 0.5377 M HCl. What is the percent purity of the lye sample? (i.e., what is the mass percent of NaOH in the lye?)

Please define why you think that's the right answer

Reference no: EM13717742

Questions Cloud

Compute delta-v for each maneuver and total minimum delta v : A re-supply satellite is launched from NASA/Wallops Island into a circular orbit of radius 6678 km with inclination of i = 38. In order to rendezvous with the ISS, the re-supply satellite needs to both raise it's altitude to 400 km, via a Hohmann tra..
What is the change in energy wavelength and frequency : What is the change in energy, wavelength and frequency of an electron that gets promoted to n=4 and returns to n=2
Energy needed and waste produced by the two methods : You can produce a parking token by two alternative methods. First, cut a 10 mm diameter billet to a length of 10 mm, and then closed-die forge it to the final size and shape (25 mm diameter). Second, you could start with a sheet of material, and stam..
Calculate the change in specific entropy from inlet to exit : The mass flow rate through a steam turbine operating under steady conditions is 100 kg/s. Steam enters the turbine at 12 MPa and 400oC. A mixture of vapour and liquid water exits the turbine at 10 kPa. At the exit state 93% of the mass of the water i..
What is the percent purity of the lye sample : A 0.7500 g sample of commercial lye, NaOH, is dissolved in water and titrated with 35.00 mL of 0.5377 M HCl. What is the percent purity of the lye sample?
Write the half-reactions for electrode : Write the half-reactions for what must have happened at each electrode for the reactions. Indicate what was oxidized and what was reduced.
Determine the rate of heat transfer out of the condenser : An air-conditioner which uses refrigerant R134-a operates on the Carnot refrigeration cycle. Determine the rate of heat transfer (kW) out of the condenser. Determine the power input (kW) to the compressor.
Calculate the volume of hydrogen gas : Calculate the volume of hydrogen gas (26.0oC, 1.50 atm) when 50.00 mL (Density 1.00 g/mL) water is decomposed by an electrical current
Gauge pressure and convert to absolute pressure : A pressure guage reads in tuscaloosa alababama 16 psi. can this pressure be a vacuumed pressure? Why or why not? if you think it can convert it to absolute pressure. If you think it cannot assume that it is a gauge pressure and convert to absolute pr..

Reviews

Write a Review

Chemistry Questions & Answers

  What is the specific rotation of the pure r isomer

Problem- Consider a solution that contains 63.0% R isomer and 37.0% S isomer. If the observed specific rotation of the mixture is -41.0° 1) What is the specific rotation of the pure R isomer?

  How many minutes it take for concentration of the reactant

certain first-order reaction () has a rate constant of 1.00×10-2 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?

  The sodium chloride not mixed with sodium hydrogen carbonate

To make sure that the white powder was all sodium chloride and not mixed with sodium hydrogen carbonate, would you need to add a little less or a little more hydrochloric acid to the reaction

  Explain tlc was repeated and dipped in an acid soultion

Why do compounds change color when separation by TLC was repeated and dipped in an acid soultion?

  What is the ph of the solution

If you dissolve 4 aspirin tablets in a 340mL glass of water, what is the pH of the solution and the percent dissociation?

  Define boiling point of a liquid increases as the pressure

The boiling point of a liquid increases as the pressure above the liquid increases. In contrast to boiling food in an open pot, pressure cookers trap the steam, which raises the internal pressure, which raises the boiling point of water, causing a..

  Explain the anode and cathode half reactions

of an apparatus that could be used to electroplate a ton spoon with Ag. Label the anode and cathode, suggest an electrolyte, and write the anode and cathode half reactions. explain how the process takes place.

  Find out the molar solubility of copper aside in a solution

Ignoring activities find out the molar solubility of copper (I) aside (CuN3) in a solution with a pH of 12.04. Ksp (CuN3) = 4.9 × 10-9; Ka (HN3) = 2.2 × 10-5.

  Why are acidic substituents on the aromatic rings helpful

Why are acidic substituents on the aromatic rings helpful in conducting the suzuki coupling reaction in water?

  Define five reduction half-cell reactions in order

Use the observations and arrange the following five reduction half-cell reactions in order, the one with the largest positive reduction potential listed first.

  Explain strong acid to the salt of a weak acid

Why do I add strong acid (e.g. HCl) to the salt of a weak acid (ammonium acetate) to bring UP the pH of the buffer solution from the pKa

  Explain values is possible as the molarity

For three known solutions and an unknown solution of a compound in water: Which one of the following values is possible as the molarity of the unknown

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