The student is now told that four solids in no particular order are magnesium bromide, sugar, acetic acid and sodium bromide. Assuming that conductivity is correlated to the number of ions in solution, rank the four substances based on how well a 0.20M soultion in water will conduct electricity.

Question
Asked Sep 9, 2019
13 views

The student is now told that four solids in no particular order are magnesium bromide, sugar, acetic acid and sodium bromide. Assuming that conductivity is correlated to the number of ions in solution, rank the four substances based on how well a 0.20M soultion in water will conduct electricity. 

check_circle

Expert Answer

Step 1

We have to arrange the following solids in order of their increasing conductivity in the solution:

Magnesium bromide, sugar, acetic acid and sodium bromide.

Step 2

Conductivity is the ability of a solution to carry the electric current. Basically, the ions in the solution are responsible for carrying the current. Therefore, greater the number of ions in the solution, greater is the conductivity.

help_outline

Image Transcriptionclose

Conductivity oc Number of ions in the solution

fullscreen
Step 3

Magnesium bromide (MgBr2) – It is a strong electrolyte, thus it will completely dissociates into its constituent ions, one Mg2+ and two Br-.

Sugar (C12H22O11) – It is a non-electrolyte compound, thus it will not dissociate into any ion.

Acetic acid (CH3COOH)-It is weak electrolyte,...

help_outline

Image Transcriptionclose

MgBr, > Mg** (aа) + 2B-- (аq) С,Н,0, > No ions COОH > СH,CОО" (аq) + н' (ад) CH. NaBrNa(aq)+Br (aq)

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Chemistry

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: What is 2.89 gallons to milliters?

A: Gallon and milliliter (mL) are the units of volume. The relation between gallon and milliliter is wr...

question_answer

Q: The density of magnesium is 1.7 g/cm3 , and the density of iron is 7.9 g/cm3 . Consider a block of i...

A: Density and mass are directly proportional when volume is kept constant.

question_answer

Q: Examine the ungraded ball-and-stick model below to determine the three-dimensional structure of the ...

A:  Hydrocarbons are the organic molecules which are mainly composed of C and H atoms. The structural f...

question_answer

Q: A surveyor measures the length of a surveying chain containing 1000 chain links. The length is 0....

A: Length is first converted from kilometers to centimeters.

question_answer

Q: The normal boiling point of water, H2O is 100.00 °C and its Kbp value is 0.512 °C/m. Assuming comple...

A: The elevation in boiling point can be calculated as follows,Given,13.47g is converted into kilograms...

question_answer

Q: If 6 g of NaCl is dissolved in 1 L of solution, what percent concentration is prepared? _________%

A: The formula for calculating percent concentration is

question_answer

Q: How do you write the chemical symbols for three different atoms or atomic cations with 21 electrons.

A: The below are the atoms and ions containing 21 electrons,Sc:Atomic number of Sc is 21, which means i...

question_answer

Q: 5.-What does the slope of each line on the graph tell you? 6.-Which runner finish the race first red...

A: Click to see the answer

question_answer

Q: A sample of liquid solvent has a density of 0.915 g/mL. What mass would 85.5 mL of the liquid weigh,...

A: Given:density = 0.915 g/mLVolume = 85.5 mLMass = ?