Explain what is the percent purity of the calcium hydroxide

Assignment Help Chemistry
Reference no: EM13268233

A 0.5000-g sample of impure Ca(OH)2 is dissolved in enough water to make 73.30 mL of solution. 20.00 mL of the resulting solution is then titrated with 0.1341-M HCl. What is the percent purity of the calcium hydroxide if the titration requires 21.42 mL of the acid to reach the endpoint?

Reference no: EM13268233

Questions Cloud

Describe in detail what is the activation energy : The rate constant for a first-order reaction is 5.50 x 10-4 s-1 at 39oC and 2.32 x 10-3 s-1 at 56oC. What is the activation energy
Calculate the average value of the emf induced : A magnetic flux of 400 microwebers passing through a coil of 1200 turns is reversed in 0.1 sec. Calculate the average value of the e.m.f induced in the coil.
What is the expected premium for a put on google : Using Put-Call parity, and the call valued in the first question, what is the expected premium for a put on Google with the same characteristics as the call in the first question?
What is the accuracy in the calculated distance to the plane : A radar system can measure the time delay between the transmitted and reflected wave pulses from a distant airplane with an accuracy of 1.02 picoseconds. What is the accuracy in the calculated distance to the plane
Explain what is the percent purity of the calcium hydroxide : What is the percent purity of the calcium hydroxide if the titration requires 21.42 mL of the acid to reach the endpoint
What is the price of call option written on google : Google (GOOG) is trading for $1,032.95 and has an annual return standard deviation of 20%. Assuming the risk free rate is 3%, what is the price of call option written on Google with a strike price of $1,040 and a time to expiration of 3 months?
Calculate armature voltage va to be applied in steady state : If the motor is driving a load whose torque requirement remains constant at 3Nm, independent of speed. Calculate the armature voltage Va to be applied in steady state, if the load to be driven at 1500RPM.
Explain a sample of an ideal gas has a volume : A sample of an ideal gas has a volume of 3.35 L at 14.40C and 1.50 atm. What is the volume of the gas at 21.60C and 0.987 atm
What is the call option price : Suppose the spot exchange rate is $1.43 per British pound and the strike on a dollar denominated pound call is $1.30. Assume r = 0.045, rf = 0.06, ? = 0.15 and the option expires in 180 days. What is the call option price?

Reviews

Write a Review

Chemistry Questions & Answers

  How many grams of acetylene are in the tank

A 75.0-L steel tank at 20.0°C contains acetylene gas, C2H2, at a pressure of 1.39 atm. Assuming ideal behavior, how many grams of acetylene are in the tank?

  Define what is the concentration of ammonia in a solution

what is the concentration of ammonia in a solution if 20.75ml of a .1130M solution of HCl are needed to titrate 100.0mL of that solution

  Explain the effect on the partial pressure of so3

Assume the temperature of the mixture is chosen so that Kp=0.12. Predict the effect on the partial pressure of SO3 as equilibrium is achieved by using Q, the reaction quotient.

  How much heat is required to vaporize water

How much heat is required to vaporize 25.5 g of water at 100 C? The heat of vaporization of water at 100 C is 40.7 rm kJ/mole.

  What is the mass of the solution

a solution is prepared by adding enough water to 387 g of CsCl to form 1 liter of solution. What is the mass of the solution? the density of the solution is 1.384 g/mL.

  Explain oxidize aluminum under standard state conditions

Answer the following questions: a) can Al3+(aq) oxidize tin (Sn) under standard-state conditions?; b) would it be OK to store an aqueous AlCl3 solution in a tin container?; c) can Sn2+(aq) oxidize aluminum (Al) under standard state conditions?; d)..

  Define metal m reacts with sulfur to form a compound

An unknown metal m reacts with sulfur to form a compound with the formula M2S3. If 3.12g of m reacts with 2.88g of S, what are the names of M AND M2S3

  Find out whether the complex ion is a square planar

Use the valence bond thoery to determine whether the complex ion CoCl4^2- is a square planar or tetrahedral. measurements of its paramagnetism show that it has three unpaired electrons

  What is the area of the circuit element

What is the area of the circuit element in cm^2? Write your answer in scientific notation. Round your answer to 3significant digits.

  Explain what is the flow rate of the gas stream leaving

what is the flow rate of the gas stream leaving the condenser in mole/ min. hint first calculate the molar flow rate of the conensate and note that rate at which C6H14 an N2 enter the unit must equal to the total rates at which they leave in the t..

  Explain what is delta s for the vaporization

The boiling point of methanol (CH 3 OH) is 64.7 o C and delta H vap = 71.8 kJ/mol. What is delta S for the vaporization of 2.15 mol of CH 3 OH at 64.7 o C?

  Explain when are covalent bonds most likely to form

When are covalent bonds most likely to form? a. between 2 atoms with a high ionization energy b. between 2 with a low ionization energy. c when one atom high and other low d. no correct choice. (I'm leaning towards a.)

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