Chemistry, 04.03.2022 05:20, lalala1212

EDTA is a chelating agent that can bind to divalent metals. Indicate True or False for each. a. One EDTA molecule binds to two calcium ions.
b. One EDTA can bind to one magnesium ion.
c. Before EDTA titration, with the presence of the indicator Calmagite, a calcium solution will show a blue color, and upon EDTA titration with the calcium solution, the color will turn red once it has reached the endpoint.
d. There is no need to standardize EDTA solution since the concentration of EDTA is always accurate based on mass measurement.

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 02:00, lydiadmanautou04

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

Answers: 1

continue

Chemistry, 22.06.2019 09:00, yogibear5806

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

Answers: 2

continue

Chemistry, 22.06.2019 09:30, junkmailemail42

Which element is the least metallic between cadmium, silver, zinc, or iron?

Answers: 1

continue

Chemistry, 22.06.2019 14:30, malenacastillo4887

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

Answers: 3

continue

Do you know the correct answer?

EDTA is a chelating agent that can bind to divalent metals. Indicate True or False for each. a. On...