Explain the indicator changes from pink to colorless

Assignment Help Chemistry
Reference no: EM13490324

Which condition characterizes the stoichiometric point of any acid/base titration? a) equivalent molar amounts of acid and base have reacted. b) The pH is exactly 7.0 c) The indicator changes from pink to colorless

Reference no: EM13490324

Questions Cloud

Find the distance the sled moves before coming to rest : On a frozen pond, a 7 kg sled is given a kick that imparts to it an initial speed of v0 = 2.3 m/s. find the distance the sled moves before coming to rest
Compute the change in kinetic energy of the crate : A crate of mass 12.5 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling force is 100 N parallel to the incline, What is the change in kinetic energy of the crate
Identify and explain the risks to mobile creations : identify and explain the risks to Mobile Creations (Pty) Ltd that will arise from the outsourcing arrangement with WASP Innovations CC. In your explanation you should include a description of the potential consequences of each risk
Explain the concentration of aqueous solution of fluoride : Express the concentration of a 0.0790 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume the density of the solution is 1.00 g/mL.
Explain the indicator changes from pink to colorless : Which condition characterizes the stoichiometric point of any acid/base titration? a) equivalent molar amounts of acid and base have reacted. b) The pH is exactly 7.0 c) The indicator changes from pink to colorless
Find the horizontal force exerted on the car : A mechanic pushes a 2.8 multiplied by 103 kg car from rest to a speed of v, doing 5400 J of work in the process. During this time, the car moves 20.0 m. find the horizontal force exerted on the car
Explain what is the mole fraction of solute : What is the mole fraction of solute and the molal concentration for an aqueous solution that is 16.0% NaOH by mass
Find the work she does on the flight bag : A flight attendant pulls her 70 N flight bag a distance of 378 m along a level airport floor at a constant velocity. Find the work she does on the flight bag
Will edge be successful in their legal action : Would your answer to b) change if Edge had written to the auditors telling them that they intended to buy NFD and were relying on the audited financial statements to assist them in making their decision?

Reviews

Write a Review

Chemistry Questions & Answers

  What will be the expected electron domain geometry

According to VSEPR theory, if there are five electron domains in the valence shell of an atom, what will be the expected electron domain geometry.

  State and write net ionic equations for the precipitation

Indicate what precipitates, if any, form when solutions of each of the following are added to a solution containing the Group I cations.

  How many g of a will be transferred to the new ether layer

how many g of A will be transferred to the new ether layer? (K remains the same, even though the number of g of A being partitioned is smaller. How many total g of A have been extracted into the two ether fractions?

  Explain molecular ions of about equal intensity

Provide a structure for the following compound: EI mass spectrum: two molecular ions of about equal intensity at m/z = 180 and 182; IR: 1740 cm-1; 1H NMR: ? 1.30 (3H, t J = 7 Hz); ? 1.80 (3H, d, J = 7 Hz); ? 4.23 (2H, q, J = 7 Hz); ? 4.37 (1H, q, ..

  What is the limiting reagent

when 7.50 g of magnesium reacts with 9.50 g hydrochloric acid, hydrogen gas is formed. what is the limiting reagent?

  A 30 g sample of water at 280 k is mixed with 50 g of

a 30 g sample of water at 280 k is mixed with 50 g of water at 330 k. calculate the final temperature of the mixture

  Compute the ph when half of the formic acid

When 50. mL of 0.50 M formic acid is titrated with 0.50 M sodium hydroxide, calculate the pH when half of the formic acid has been neutralized, and at the equivalence point (be sure to account for the change in volume at each step). Select a good ..

  Define the final temperature of the water and iron

The final temperature of the water and iron was 48.4oC. Assuming that the calorimeter itself absorbs a negligible amount of heat, what was the mass

  Is bond energy of x2 positive or negative quantity why

when atoms of the hypothetical element x are placed together they rapidly undergo reaction to form the x2nbspmoleculea.

  Explain a bod reaction rate constant

Assuming a BOD reaction rate constant of -0.4/day, what will be the the BOD remaining in the stream after the combined flow has traveled for 2 days? Remaining BOD after 2 days = [BOD] mg/L

  Determine how many grams of salt will be produced

Calcium carbonate reacts with hydrochloric acid to forma a salt, carbon dioxide and water. Write the balanced equation and determine how many grams of salt will be produced of 50g of calcium carbonate was used?

  Explain the shortest and longest bond lengths

Using the periodic table only, determine which members of the set have the shortest and longest bond lengths. N-H N-S N-O

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